45647534237 has 2 divisors, whose sum is σ = 45647534238. Its totient is φ = 45647534236.

The previous prime is 45647534203. The next prime is 45647534281. The reversal of 45647534237 is 73243574654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33977917561 + 11669616676 = 184331^2 + 108026^2 .

It is a cyclic number.

It is not a de Polignac number, because 45647534237 - 2²⁴ = 45630757021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45647534287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22823767118 + 22823767119.

It is an arithmetic number, because the mean of its divisors is an integer number (22823767119).

Almost surely, 2^45647534237 is an apocalyptic number.

It is an amenable number.

45647534237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45647534237 is an equidigital number, since it uses as much as digits as its factorization.

45647534237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 50.

The spelling of 45647534237 in words is "forty-five billion, six hundred forty-seven million, five hundred thirty-four thousand, two hundred thirty-seven".