13137973603 has 2 divisors, whose sum is σ = 13137973604. Its totient is φ = 13137973602.

The previous prime is 13137973601. The next prime is 13137973663. The reversal of 13137973603 is 30637973131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13137973603 - 2¹ = 13137973601 is a prime.

Together with 13137973601, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13137973603.

It is not a weakly prime, because it can be changed into another prime (13137973601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568986801 + 6568986802.

It is an arithmetic number, because the mean of its divisors is an integer number (6568986802).

Almost surely, 2^13137973603 is an apocalyptic number.

13137973603 is a deficient number, since it is larger than the sum of its proper divisors (1).

13137973603 is an equidigital number, since it uses as much as digits as its factorization.

13137973603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 43.

The spelling of 13137973603 in words is "thirteen billion, one hundred thirty-seven million, nine hundred seventy-three thousand, six hundred three".