12642588574 has 16 divisors (see below), whose sum is σ = 23643282816. Its totient is φ = 4925683800.

The previous prime is 12642588557. The next prime is 12642588587. The reversal of 12642588574 is 47588524621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41047212 + ... + 41047519.

It is an arithmetic number, because the mean of its divisors is an integer number (1477705176).

Almost surely, 2^12642588574 is an apocalyptic number.

12642588574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12642588574 is a deficient number, since it is larger than the sum of its proper divisors (11000694242).

12642588574 is a wasteful number, since it uses less digits than its factorization.

12642588574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82094751.

The product of its digits is 4300800, while the sum is 52.

The spelling of 12642588574 in words is "twelve billion, six hundred forty-two million, five hundred eighty-eight thousand, five hundred seventy-four".