13978750010 has 16 divisors (see below), whose sum is σ = 25226440200. Its totient is φ = 5577124416.

The previous prime is 13978750007. The next prime is 13978750039. The reversal of 13978750010 is 1005787931.

It can be written as a sum of positive squares in 4 ways, for example, as 8137663681 + 5841086329 = 90209^2 + 76427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13978750010.

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, 1792865 + ... + 1800644.

Almost surely, 2^13978750010 is an apocalyptic number.

13978750010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13978750010 is a deficient number, since it is larger than the sum of its proper divisors (11247690190).

13978750010 is a wasteful number, since it uses less digits than its factorization.

13978750010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593905.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 13978750010 in words is "thirteen billion, nine hundred seventy-eight million, seven hundred fifty thousand, ten".