45531166697 has 2 divisors, whose sum is σ = 45531166698. Its totient is φ = 45531166696.

The previous prime is 45531166673. The next prime is 45531166799. The reversal of 45531166697 is 79666113554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40854111376 + 4677055321 = 202124^2 + 68389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45531166697 is a prime.

It is not a weakly prime, because it can be changed into another prime (45531166397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765583348 + 22765583349.

It is an arithmetic number, because the mean of its divisors is an integer number (22765583349).

Almost surely, 2^45531166697 is an apocalyptic number.

It is an amenable number.

45531166697 is a deficient number, since it is larger than the sum of its proper divisors (1).

45531166697 is an equidigital number, since it uses as much as digits as its factorization.

45531166697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 45531166697 in words is "forty-five billion, five hundred thirty-one million, one hundred sixty-six thousand, six hundred ninety-seven".