13405889272 has 8 divisors (see below), whose sum is σ = 25136042400. Its totient is φ = 6702944632.

The previous prime is 13405889219. The next prime is 13405889309. The reversal of 13405889272 is 27298850431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837868072 + ... + 837868087.

It is an arithmetic number, because the mean of its divisors is an integer number (3142005300).

Almost surely, 2^13405889272 is an apocalyptic number.

It is an amenable number.

13405889272 is a deficient number, since it is larger than the sum of its proper divisors (11730153128).

13405889272 is a wasteful number, since it uses less digits than its factorization.

13405889272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675736165 (or 1675736161 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 13405889272 in words is "thirteen billion, four hundred five million, eight hundred eighty-nine thousand, two hundred seventy-two".