13474434744 has 144 divisors (see below), whose sum is σ = 39558818520. Its totient is φ = 4139786880.

The previous prime is 13474434739. The next prime is 13474434817. The reversal of 13474434744 is 44743447431.

13474434744 is a `hidden beast` number, since 134 + 7 + 4 + 43 + 474 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13474434744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 954699 + ... + 968709.

Almost surely, 2^13474434744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13474434744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19779409260).

13474434744 is an abundant number, since it is smaller than the sum of its proper divisors (26084383776).

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

13474434744 is a wasteful number, since it uses less digits than its factorization.

13474434744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098 (or 14072 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

The spelling of 13474434744 in words is "thirteen billion, four hundred seventy-four million, four hundred thirty-four thousand, seven hundred forty-four".