13137973601 has 2 divisors, whose sum is σ = 13137973602. Its totient is φ = 13137973600.

The previous prime is 13137973517. The next prime is 13137973603. The reversal of 13137973601 is 10637973131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12901552225 + 236421376 = 113585^2 + 15376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13137973601 is a prime.

Together with 13137973603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13137973603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568986800 + 6568986801.

It is an arithmetic number, because the mean of its divisors is an integer number (6568986801).

Almost surely, 2^13137973601 is an apocalyptic number.

It is an amenable number.

13137973601 is a deficient number, since it is larger than the sum of its proper divisors (1).

13137973601 is an equidigital number, since it uses as much as digits as its factorization.

13137973601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The spelling of 13137973601 in words is "thirteen billion, one hundred thirty-seven million, nine hundred seventy-three thousand, six hundred one".