13447391974 has 8 divisors (see below), whose sum is σ = 20171869200. Its totient is φ = 6723435576.

The previous prime is 13447391939. The next prime is 13447391983. The reversal of 13447391974 is 47919374431.

13447391974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57549 + ... + 173800.

It is an arithmetic number, because the mean of its divisors is an integer number (2521483650).

Almost surely, 2^13447391974 is an apocalyptic number.

13447391974 is a deficient number, since it is larger than the sum of its proper divisors (6724477226).

13447391974 is a wasteful number, since it uses less digits than its factorization.

13447391974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260414.

The product of its digits is 2286144, while the sum is 52.

The spelling of 13447391974 in words is "thirteen billion, four hundred forty-seven million, three hundred ninety-one thousand, nine hundred seventy-four".