3697812040613 has 2 divisors, whose sum is σ = 3697812040614. Its totient is φ = 3697812040612.

The previous prime is 3697812040543. The next prime is 3697812040639. The reversal of 3697812040613 is 3160402187963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2930266087204 + 767545953409 = 1711802^2 + 876097^2 .

It is a cyclic number.

It is not a de Polignac number, because 3697812040613 - 2⁸ = 3697812040357 is a prime.

It is a super-2 number, since 2×3697812040613² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3697892040613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848906020306 + 1848906020307.

It is an arithmetic number, because the mean of its divisors is an integer number (1848906020307).

Almost surely, 2^{3697812040613} is an apocalyptic number.

It is an amenable number.

3697812040613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3697812040613 is an equidigital number, since it uses as much as digits as its factorization.

3697812040613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 3697812040613 in words is "three trillion, six hundred ninety-seven billion, eight hundred twelve million, forty thousand, six hundred thirteen".