45491692313 has 2 divisors, whose sum is σ = 45491692314. Its totient is φ = 45491692312.

The previous prime is 45491692277. The next prime is 45491692327. The reversal of 45491692313 is 31329619454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44387326489 + 1104365824 = 210683^2 + 33232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45491692313 is a prime.

It is not a weakly prime, because it can be changed into another prime (45491692373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22745846156 + 22745846157.

It is an arithmetic number, because the mean of its divisors is an integer number (22745846157).

Almost surely, 2^45491692313 is an apocalyptic number.

It is an amenable number.

45491692313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45491692313 is an equidigital number, since it uses as much as digits as its factorization.

45491692313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The spelling of 45491692313 in words is "forty-five billion, four hundred ninety-one million, six hundred ninety-two thousand, three hundred thirteen".