13503370738 has 48 divisors (see below), whose sum is σ = 23976261792. Its totient is φ = 5654064000.

The previous prime is 13503370733. The next prime is 13503370739. The reversal of 13503370738 is 83707330531.

It is a self number, because there is not a number n which added to its sum of digits gives 13503370738.

It is not an unprimeable number, because it can be changed into a prime (13503370733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1933593 + ... + 1940563.

It is an arithmetic number, because the mean of its divisors is an integer number (499505454).

Almost surely, 2^13503370738 is an apocalyptic number.

13503370738 is a deficient number, since it is larger than the sum of its proper divisors (10472891054).

13503370738 is a wasteful number, since it uses less digits than its factorization.

13503370738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 13503370738 in words is "thirteen billion, five hundred three million, three hundred seventy thousand, seven hundred thirty-eight".