12889194374 has 16 divisors (see below), whose sum is σ = 22097603328. Its totient is φ = 5523480072.

The previous prime is 12889194359. The next prime is 12889194397. The reversal of 12889194374 is 47349198821.

It is a happy number.

It is a super-2 number, since 2×12889194374² (a number of 21 digits) contains 22 as substring.

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, 177497 + ... + 239339.

It is an arithmetic number, because the mean of its divisors is an integer number (1381100208).

Almost surely, 2^12889194374 is an apocalyptic number.

12889194374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12889194374 is a deficient number, since it is larger than the sum of its proper divisors (9208408954).

12889194374 is a wasteful number, since it uses less digits than its factorization.

12889194374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76739.

The product of its digits is 3483648, while the sum is 56.

The spelling of 12889194374 in words is "twelve billion, eight hundred eighty-nine million, one hundred ninety-four thousand, three hundred seventy-four".