12739084434 has 16 divisors (see below), whose sum is σ = 28309076640. Its totient is φ = 4246361460.

The previous prime is 12739084429. The next prime is 12739084459. The reversal of 12739084434 is 43448093721.

12739084434 is a `hidden beast` number, since 127 + 3 + 90 + 8 + 4 + 434 = 666.

It is a super-2 number, since 2×12739084434² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12739084434.

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, 117954432 + ... + 117954539.

It is an arithmetic number, because the mean of its divisors is an integer number (1769317290).

Almost surely, 2^12739084434 is an apocalyptic number.

12739084434 is an abundant number, since it is smaller than the sum of its proper divisors (15569992206).

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

12739084434 is a wasteful number, since it uses less digits than its factorization.

12739084434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235908982 (or 235908976 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 12739084434 in words is "twelve billion, seven hundred thirty-nine million, eighty-four thousand, four hundred thirty-four".