13375574481 has 16 divisors (see below), whose sum is σ = 18357891200. Its totient is φ = 8656253568.

The previous prime is 13375574461. The next prime is 13375574501. The reversal of 13375574481 is 18447557331.

It is an interprime number because it is at equal distance from previous prime (13375574461) and next prime (13375574501).

It is not a de Polignac number, because 13375574481 - 2¹⁰ = 13375573457 is a prime.

It is a super-2 number, since 2×13375574481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13375574481.

It is not an unprimeable number, because it can be changed into a prime (13375574411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88516 + ... + 185973.

It is an arithmetic number, because the mean of its divisors is an integer number (1147368200).

Almost surely, 2^13375574481 is an apocalyptic number.

It is an amenable number.

13375574481 is a deficient number, since it is larger than the sum of its proper divisors (4982316719).

13375574481 is a wasteful number, since it uses less digits than its factorization.

13375574481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274968.

The product of its digits is 1411200, while the sum is 48.

The spelling of 13375574481 in words is "thirteen billion, three hundred seventy-five million, five hundred seventy-four thousand, four hundred eighty-one".