45504326591 has 2 divisors, whose sum is σ = 45504326592. Its totient is φ = 45504326590.

The previous prime is 45504326557. The next prime is 45504326597. The reversal of 45504326591 is 19562340554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45504326591 - 2³⁴ = 28324457407 is a prime.

It is a super-3 number, since 3×45504326591³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45504326597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752163295 + 22752163296.

It is an arithmetic number, because the mean of its divisors is an integer number (22752163296).

Almost surely, 2^45504326591 is an apocalyptic number.

45504326591 is a deficient number, since it is larger than the sum of its proper divisors (1).

45504326591 is an equidigital number, since it uses as much as digits as its factorization.

45504326591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 45504326591 in words is "forty-five billion, five hundred four million, three hundred twenty-six thousand, five hundred ninety-one".