13392937774634 has 24 divisors (see below), whose sum is σ = 22329854037540. Its totient is φ = 6019297866560.

The previous prime is 13392937774633. The next prime is 13392937774691. The reversal of 13392937774634 is 43647773929331.

It can be written as a sum of positive squares in 2 ways, for example, as 12947511010225 + 445426764409 = 3598265^2 + 667403^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13392937774633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310892609 + ... + 310935684.

Almost surely, 2^{13392937774634} is an apocalyptic number.

13392937774634 is a deficient number, since it is larger than the sum of its proper divisors (8936916262906).

13392937774634 is a wasteful number, since it uses less digits than its factorization.

13392937774634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621828406 (or 621828395 counting only the distinct ones).

The product of its digits is 432081216, while the sum is 68.

The spelling of 13392937774634 in words is "thirteen trillion, three hundred ninety-two billion, nine hundred thirty-seven million, seven hundred seventy-four thousand, six hundred thirty-four".