45668990513 has 2 divisors, whose sum is σ = 45668990514. Its totient is φ = 45668990512.

The previous prime is 45668990489. The next prime is 45668990573. The reversal of 45668990513 is 31509986654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42128383504 + 3540607009 = 205252^2 + 59503^2 .

It is a cyclic number.

It is not a de Polignac number, because 45668990513 - 2³² = 41374023217 is a prime.

It is not a weakly prime, because it can be changed into another prime (45668990573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22834495256 + 22834495257.

It is an arithmetic number, because the mean of its divisors is an integer number (22834495257).

Almost surely, 2^45668990513 is an apocalyptic number.

It is an amenable number.

45668990513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45668990513 is an equidigital number, since it uses as much as digits as its factorization.

45668990513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 45668990513 in words is "forty-five billion, six hundred sixty-eight million, nine hundred ninety thousand, five hundred thirteen".