45857807497 has 2 divisors, whose sum is σ = 45857807498. Its totient is φ = 45857807496.

The previous prime is 45857807461. The next prime is 45857807531. The reversal of 45857807497 is 79470875854.

45857807497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45358776576 + 499030921 = 212976^2 + 22339^2 .

It is a cyclic number.

It is not a de Polignac number, because 45857807497 - 2³⁵ = 11498069129 is a prime.

It is not a weakly prime, because it can be changed into another prime (45857807417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22928903748 + 22928903749.

It is an arithmetic number, because the mean of its divisors is an integer number (22928903749).

Almost surely, 2^45857807497 is an apocalyptic number.

It is an amenable number.

45857807497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45857807497 is an equidigital number, since it uses as much as digits as its factorization.

45857807497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 64.

The spelling of 45857807497 in words is "forty-five billion, eight hundred fifty-seven million, eight hundred seven thousand, four hundred ninety-seven".