13375891464 has 64 divisors (see below), whose sum is σ = 36170850240. Its totient is φ = 4097506560.

The previous prime is 13375891421. The next prime is 13375891471. The reversal of 13375891464 is 46419857331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23607 + ... + 165254.

It is an arithmetic number, because the mean of its divisors is an integer number (565169535).

Almost surely, 2^13375891464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13375891464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18085425120).

13375891464 is an abundant number, since it is smaller than the sum of its proper divisors (22794958776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13375891464 is a wasteful number, since it uses less digits than its factorization.

13375891464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189110 (or 189106 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 13375891464 in words is "thirteen billion, three hundred seventy-five million, eight hundred ninety-one thousand, four hundred sixty-four".