13404728975 has 12 divisors (see below), whose sum is σ = 18132942840. Its totient is φ = 9748893600.

The previous prime is 13404728959. The next prime is 13404728993. The reversal of 13404728975 is 57982740431.

It is not a de Polignac number, because 13404728975 - 2⁴ = 13404728959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24371960 + ... + 24372509.

It is an arithmetic number, because the mean of its divisors is an integer number (1511078570).

Almost surely, 2^13404728975 is an apocalyptic number.

13404728975 is a deficient number, since it is larger than the sum of its proper divisors (4728213865).

13404728975 is a wasteful number, since it uses less digits than its factorization.

13404728975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48744490 (or 48744485 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 13404728975 in words is "thirteen billion, four hundred four million, seven hundred twenty-eight thousand, nine hundred seventy-five".