12634444837338 has 64 divisors (see below), whose sum is σ = 25401198316032. Its totient is φ = 4189498372800.

The previous prime is 12634444837337. The next prime is 12634444837351. The reversal of 12634444837338 is 83373844443621.

It is not an unprimeable number, because it can be changed into a prime (12634444837337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2159362113 + ... + 2159367963.

It is an arithmetic number, because the mean of its divisors is an integer number (396893723688).

Almost surely, 2^{12634444837338} is an apocalyptic number.

12634444837338 is an abundant number, since it is smaller than the sum of its proper divisors (12766753478694).

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

12634444837338 is a wasteful number, since it uses less digits than its factorization.

12634444837338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459.

The product of its digits is 111476736, while the sum is 60.

The spelling of 12634444837338 in words is "twelve trillion, six hundred thirty-four billion, four hundred forty-four million, eight hundred thirty-seven thousand, three hundred thirty-eight".