14309037978 has 64 divisors (see below), whose sum is σ = 31572633600. Its totient is φ = 4303126080.

The previous prime is 14309037961. The next prime is 14309037979. The reversal of 14309037978 is 87973090341.

It is a self number, because there is not a number n which added to its sum of digits gives 14309037978.

It is not an unprimeable number, because it can be changed into a prime (14309037979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588523 + ... + 612353.

It is an arithmetic number, because the mean of its divisors is an integer number (493322400).

Almost surely, 2^14309037978 is an apocalyptic number.

14309037978 is an abundant number, since it is smaller than the sum of its proper divisors (17263595622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14309037978 is a wasteful number, since it uses less digits than its factorization.

14309037978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 14309037978 in words is "fourteen billion, three hundred nine million, thirty-seven thousand, nine hundred seventy-eight".