13425631774 has 32 divisors (see below), whose sum is σ = 20538685440. Its totient is φ = 6580828800.

The previous prime is 13425631763. The next prime is 13425631811. The reversal of 13425631774 is 47713652431.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13425631774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21276439 + ... + 21277069.

It is an arithmetic number, because the mean of its divisors is an integer number (641833920).

Almost surely, 2^13425631774 is an apocalyptic number.

13425631774 is a deficient number, since it is larger than the sum of its proper divisors (7113053666).

13425631774 is a wasteful number, since it uses less digits than its factorization.

13425631774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 423360, while the sum is 43.

The spelling of 13425631774 in words is "thirteen billion, four hundred twenty-five million, six hundred thirty-one thousand, seven hundred seventy-four".