37344545617 has 2 divisors, whose sum is σ = 37344545618. Its totient is φ = 37344545616.

The previous prime is 37344545611. The next prime is 37344545639. The reversal of 37344545617 is 71654544373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34029549841 + 3314995776 = 184471^2 + 57576^2 .

It is a cyclic number.

It is not a de Polignac number, because 37344545617 - 2³¹ = 35197061969 is a prime.

It is not a weakly prime, because it can be changed into another prime (37344545611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18672272808 + 18672272809.

It is an arithmetic number, because the mean of its divisors is an integer number (18672272809).

Almost surely, 2^37344545617 is an apocalyptic number.

It is an amenable number.

37344545617 is a deficient number, since it is larger than the sum of its proper divisors (1).

37344545617 is an equidigital number, since it uses as much as digits as its factorization.

37344545617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 49.

The spelling of 37344545617 in words is "thirty-seven billion, three hundred forty-four million, five hundred forty-five thousand, six hundred seventeen".