13620713537637 has 12 divisors (see below), whose sum is σ = 20529771129504. Its totient is φ = 8685672400680.

The previous prime is 13620713537617. The next prime is 13620713537659. The reversal of 13620713537637 is 73673531702631.

13620713537637 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 0 + 71 + 3 + 537 + 6 + 37 = 666.

It is not a de Polignac number, because 13620713537637 - 2¹⁰ = 13620713536613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620713537617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32900274039 + ... + 32900274452.

It is an arithmetic number, because the mean of its divisors is an integer number (1710814260792).

Almost surely, 2^{13620713537637} is an apocalyptic number.

It is an amenable number.

13620713537637 is a deficient number, since it is larger than the sum of its proper divisors (6909057591867).

13620713537637 is a wasteful number, since it uses less digits than its factorization.

13620713537637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65800548520 (or 65800548517 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 54.

The spelling of 13620713537637 in words is "thirteen trillion, six hundred twenty billion, seven hundred thirteen million, five hundred thirty-seven thousand, six hundred thirty-seven".