14639749590 has 64 divisors (see below), whose sum is σ = 35385336000. Its totient is φ = 3876225024.

The previous prime is 14639749577. The next prime is 14639749651. The reversal of 14639749590 is 9594793641.

It is a self number, because there is not a number n which added to its sum of digits gives 14639749590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5442966 + ... + 5445654.

It is an arithmetic number, because the mean of its divisors is an integer number (552895875).

Almost surely, 2^14639749590 is an apocalyptic number.

14639749590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14639749590 is an abundant number, since it is smaller than the sum of its proper divisors (20745586410).

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

14639749590 is a wasteful number, since it uses less digits than its factorization.

14639749590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 14639749590 in words is "fourteen billion, six hundred thirty-nine million, seven hundred forty-nine thousand, five hundred ninety".