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2135910769 is a prime number
BaseRepresentation
bin111111101001111…
…0110100101110001
312111212002111202021
41333103312211301
513333243121034
6551535551441
7103633641046
oct17723664561
95455074667
102135910769
119a6736413
124b738b581
13280682335
141639571cd
15c77ac6b4
hex7f4f6971

2135910769 has 2 divisors, whose sum is σ = 2135910770. Its totient is φ = 2135910768.

The previous prime is 2135910701. The next prime is 2135910793. The reversal of 2135910769 is 9670195312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085373025 + 1050537744 = 32945^2 + 32412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135910769 - 27 = 2135910641 is a prime.

It is a super-2 number, since 2×21359107692 = 9124229626260342722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2135914769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067955384 + 1067955385.

It is an arithmetic number, because the mean of its divisors is an integer number (1067955385).

Almost surely, 22135910769 is an apocalyptic number.

It is an amenable number.

2135910769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135910769 is an equidigital number, since it uses as much as digits as its factorization.

2135910769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 2135910769 is about 46215.9146723291. The cubic root of 2135910769 is about 1287.8374055728.

The spelling of 2135910769 in words is "two billion, one hundred thirty-five million, nine hundred ten thousand, seven hundred sixty-nine".