14431012938 has 24 divisors (see below), whose sum is σ = 33106442148. Its totient is φ = 4527376512.

The previous prime is 14431012931. The next prime is 14431012961. The reversal of 14431012938 is 83921013441.

It can be written as a sum of positive squares in 2 ways, for example, as 14406480729 + 24532209 = 120027^2 + 4953^2 .

It is not an unprimeable number, because it can be changed into a prime (14431012931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23579781 + ... + 23580392.

Almost surely, 2^14431012938 is an apocalyptic number.

14431012938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14431012938 is an abundant number, since it is smaller than the sum of its proper divisors (18675429210).

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

14431012938 is a wasteful number, since it uses less digits than its factorization.

14431012938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47160198 (or 47160195 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 14431012938 in words is "fourteen billion, four hundred thirty-one million, twelve thousand, nine hundred thirty-eight".