368849697913 has 2 divisors, whose sum is σ = 368849697914. Its totient is φ = 368849697912.

The previous prime is 368849697859. The next prime is 368849697961. The reversal of 368849697913 is 319796948863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330542205184 + 38307492729 = 574928^2 + 195723^2 .

It is a cyclic number.

It is not a de Polignac number, because 368849697913 - 2³³ = 360259763321 is a prime.

It is a super-2 number, since 2×368849697913² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368849697113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184424848956 + 184424848957.

It is an arithmetic number, because the mean of its divisors is an integer number (184424848957).

Almost surely, 2^368849697913 is an apocalyptic number.

It is an amenable number.

368849697913 is a deficient number, since it is larger than the sum of its proper divisors (1).

368849697913 is an equidigital number, since it uses as much as digits as its factorization.

368849697913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423263232, while the sum is 73.

The spelling of 368849697913 in words is "three hundred sixty-eight billion, eight hundred forty-nine million, six hundred ninety-seven thousand, nine hundred thirteen".