13319445075 has 24 divisors (see below), whose sum is σ = 23180510400. Its totient is φ = 6729824160.

The previous prime is 13319445071. The next prime is 13319445079. The reversal of 13319445075 is 57054491331.

It is an interprime number because it is at equal distance from previous prime (13319445071) and next prime (13319445079).

It is not a de Polignac number, because 13319445075 - 2² = 13319445071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13319445071) 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, 4672065 + ... + 4674914.

It is an arithmetic number, because the mean of its divisors is an integer number (965854600).

Almost surely, 2^13319445075 is an apocalyptic number.

13319445075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13319445075 is a deficient number, since it is larger than the sum of its proper divisors (9861065325).

13319445075 is a wasteful number, since it uses less digits than its factorization.

13319445075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347011 (or 9347006 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 13319445075 in words is "thirteen billion, three hundred nineteen million, four hundred forty-five thousand, seventy-five".