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2135602013 is a prime number
BaseRepresentation
bin111111101001010…
…1011001101011101
312111211111211012212
41333102223031131
513333203231023
6551525210205
7103631213636
oct17722531535
95454454185
102135602013
119a6545446
124b7260965
132805a493c
141638b688d
15c774ae78
hex7f4ab35d

2135602013 has 2 divisors, whose sum is σ = 2135602014. Its totient is φ = 2135602012.

The previous prime is 2135601989. The next prime is 2135602031. The reversal of 2135602013 is 3102065312.

Together with next prime (2135602031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1740308089 + 395293924 = 41717^2 + 19882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135602013 - 28 = 2135601757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135602013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135605013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067801006 + 1067801007.

It is an arithmetic number, because the mean of its divisors is an integer number (1067801007).

Almost surely, 22135602013 is an apocalyptic number.

It is an amenable number.

2135602013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135602013 is an equidigital number, since it uses as much as digits as its factorization.

2135602013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2135602013 is about 46212.5741871192. The cubic root of 2135602013 is about 1287.7753482540.

Adding to 2135602013 its reverse (3102065312), we get a palindrome (5237667325).

The spelling of 2135602013 in words is "two billion, one hundred thirty-five million, six hundred two thousand, thirteen".