12394474494 has 16 divisors (see below), whose sum is σ = 25087612032. Its totient is φ = 4081714328.

The previous prime is 12394474493. The next prime is 12394474507. The reversal of 12394474494 is 49447449321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12394474493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12443754 + ... + 12444749.

It is an arithmetic number, because the mean of its divisors is an integer number (1567975752).

Almost surely, 2^12394474494 is an apocalyptic number.

12394474494 is an abundant number, since it is smaller than the sum of its proper divisors (12693137538).

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

12394474494 is a wasteful number, since it uses less digits than its factorization.

12394474494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24888591.

The product of its digits is 3483648, while the sum is 51.

The spelling of 12394474494 in words is "twelve billion, three hundred ninety-four million, four hundred seventy-four thousand, four hundred ninety-four".