13988604874 has 16 divisors (see below), whose sum is σ = 21661693128. Its totient is φ = 6769999872.

The previous prime is 13988604841. The next prime is 13988604881. The reversal of 13988604874 is 47840688931.

It can be written as a sum of positive squares in 4 ways, for example, as 10303265025 + 3685339849 = 101505^2 + 60707^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475447 + ... + 504010.

Almost surely, 2^13988604874 is an apocalyptic number.

13988604874 is a deficient number, since it is larger than the sum of its proper divisors (7673088254).

13988604874 is a wasteful number, since it uses less digits than its factorization.

13988604874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979689.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 13988604874 in words is "thirteen billion, nine hundred eighty-eight million, six hundred four thousand, eight hundred seventy-four".