12594739494 has 32 divisors (see below), whose sum is σ = 26878481280. Its totient is φ = 3922800192.

The previous prime is 12594739483. The next prime is 12594739501. The reversal of 12594739494 is 49493749521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748392 + ... + 765035.

It is an arithmetic number, because the mean of its divisors is an integer number (839952540).

Almost surely, 2^12594739494 is an apocalyptic number.

12594739494 is an abundant number, since it is smaller than the sum of its proper divisors (14283741786).

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

12594739494 is a wasteful number, since it uses less digits than its factorization.

12594739494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513524.

The product of its digits is 9797760, while the sum is 57.

The spelling of 12594739494 in words is "twelve billion, five hundred ninety-four million, seven hundred thirty-nine thousand, four hundred ninety-four".