37691368913117 has 2 divisors, whose sum is σ = 37691368913118. Its totient is φ = 37691368913116.

The previous prime is 37691368913021. The next prime is 37691368913147. The reversal of 37691368913117 is 71131986319673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28198924990756 + 9492443922361 = 5310266^2 + 3080981^2 .

It is a cyclic number.

It is not a de Polignac number, because 37691368913117 - 2³⁰ = 37690295171293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37691368913147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18845684456558 + 18845684456559.

It is an arithmetic number, because the mean of its divisors is an integer number (18845684456559).

Almost surely, 2^{37691368913117} is an apocalyptic number.

It is an amenable number.

37691368913117 is a deficient number, since it is larger than the sum of its proper divisors (1).

37691368913117 is an equidigital number, since it uses as much as digits as its factorization.

37691368913117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30862944, while the sum is 65.

The spelling of 37691368913117 in words is "thirty-seven trillion, six hundred ninety-one billion, three hundred sixty-eight million, nine hundred thirteen thousand, one hundred seventeen".