45648430657 has 2 divisors, whose sum is σ = 45648430658. Its totient is φ = 45648430656.

The previous prime is 45648430621. The next prime is 45648430703. The reversal of 45648430657 is 75603484654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28935370816 + 16713059841 = 170104^2 + 129279^2 .

It is a cyclic number.

It is not a de Polignac number, because 45648430657 - 2¹⁵ = 45648397889 is a prime.

It is not a weakly prime, because it can be changed into another prime (45648436657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22824215328 + 22824215329.

It is an arithmetic number, because the mean of its divisors is an integer number (22824215329).

Almost surely, 2^45648430657 is an apocalyptic number.

It is an amenable number.

45648430657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45648430657 is an equidigital number, since it uses as much as digits as its factorization.

45648430657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 45648430657 in words is "forty-five billion, six hundred forty-eight million, four hundred thirty thousand, six hundred fifty-seven".