13960978468 has 12 divisors (see below), whose sum is σ = 24558302860. Its totient is φ = 6944320512.

The previous prime is 13960978457. The next prime is 13960978481. The reversal of 13960978468 is 86487906931.

It can be written as a sum of positive squares in 2 ways, for example, as 5938551844 + 8022426624 = 77062^2 + 89568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9041313 + ... + 9042856.

Almost surely, 2^13960978468 is an apocalyptic number.

It is an amenable number.

13960978468 is a deficient number, since it is larger than the sum of its proper divisors (10597324392).

13960978468 is a wasteful number, since it uses less digits than its factorization.

13960978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084366 (or 18084364 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 13960978468 in words is "thirteen billion, nine hundred sixty million, nine hundred seventy-eight thousand, four hundred sixty-eight".