45317917937 has 2 divisors, whose sum is σ = 45317917938. Its totient is φ = 45317917936.

The previous prime is 45317917919. The next prime is 45317917973. The reversal of 45317917937 is 73971971354.

Together with next prime (45317917973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26305920481 + 19011997456 = 162191^2 + 137884^2 .

It is a cyclic number.

It is not a de Polignac number, because 45317917937 - 2¹⁴ = 45317901553 is a prime.

It is a super-2 number, since 2×45317917937² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45317917837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22658958968 + 22658958969.

It is an arithmetic number, because the mean of its divisors is an integer number (22658958969).

Almost surely, 2^45317917937 is an apocalyptic number.

It is an amenable number.

45317917937 is a deficient number, since it is larger than the sum of its proper divisors (1).

45317917937 is an equidigital number, since it uses as much as digits as its factorization.

45317917937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000940, while the sum is 56.

The spelling of 45317917937 in words is "forty-five billion, three hundred seventeen million, nine hundred seventeen thousand, nine hundred thirty-seven".