45172936807 has 2 divisors, whose sum is σ = 45172936808. Its totient is φ = 45172936806.

The previous prime is 45172936799. The next prime is 45172936811. The reversal of 45172936807 is 70863927154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45172936807 - 2³ = 45172936799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45172936847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586468403 + 22586468404.

It is an arithmetic number, because the mean of its divisors is an integer number (22586468404).

It is a 1-persistent number, because it is pandigital, but 2⋅45172936807 = 90345873614 is not.

Almost surely, 2^45172936807 is an apocalyptic number.

45172936807 is a deficient number, since it is larger than the sum of its proper divisors (1).

45172936807 is an equidigital number, since it uses as much as digits as its factorization.

45172936807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 45172936807 in words is "forty-five billion, one hundred seventy-two million, nine hundred thirty-six thousand, eight hundred seven".