45309774017 has 2 divisors, whose sum is σ = 45309774018. Its totient is φ = 45309774016.

The previous prime is 45309773969. The next prime is 45309774023. The reversal of 45309774017 is 71047790354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29201341456 + 16108432561 = 170884^2 + 126919^2 .

It is a cyclic number.

It is not a de Polignac number, because 45309774017 - 2²² = 45305579713 is a prime.

It is not a weakly prime, because it can be changed into another prime (45309774077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22654887008 + 22654887009.

It is an arithmetic number, because the mean of its divisors is an integer number (22654887009).

Almost surely, 2^45309774017 is an apocalyptic number.

It is an amenable number.

45309774017 is a deficient number, since it is larger than the sum of its proper divisors (1).

45309774017 is an equidigital number, since it uses as much as digits as its factorization.

45309774017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 45309774017 in words is "forty-five billion, three hundred nine million, seven hundred seventy-four thousand, seventeen".