13406556674 has 32 divisors (see below), whose sum is σ = 24229200000. Its totient is φ = 5434957440.

The previous prime is 13406556673. The next prime is 13406556707. The reversal of 13406556674 is 47665560431.

It is not an unprimeable number, because it can be changed into a prime (13406556673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137702 + ... + 213950.

It is an arithmetic number, because the mean of its divisors is an integer number (757162500).

Almost surely, 2^13406556674 is an apocalyptic number.

13406556674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13406556674 is a deficient number, since it is larger than the sum of its proper divisors (10822643326).

13406556674 is a wasteful number, since it uses less digits than its factorization.

13406556674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76938.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 13406556674 in words is "thirteen billion, four hundred six million, five hundred fifty-six thousand, six hundred seventy-four".