2158783313 has 2 divisors, whose sum is σ = 2158783314. Its totient is φ = 2158783312.

The previous prime is 2158783307. The next prime is 2158783397. The reversal of 2158783313 is 3133878512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1877315584 + 281467729 = 43328^2 + 16777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158783313 - 2⁸ = 2158783057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2158783303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079391656 + 1079391657.

It is an arithmetic number, because the mean of its divisors is an integer number (1079391657).

Almost surely, 2^2158783313 is an apocalyptic number.

It is an amenable number.

2158783313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158783313 is an equidigital number, since it uses as much as digits as its factorization.

2158783313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 2158783313 is about 46462.7088426837. The cubic root of 2158783313 is about 1292.4180580002.

The spelling of 2158783313 in words is "two billion, one hundred fifty-eight million, seven hundred eighty-three thousand, three hundred thirteen".