12739577551970 has 32 divisors (see below), whose sum is σ = 23551581593088. Its totient is φ = 4957984012608.

The previous prime is 12739577551931. The next prime is 12739577551997. The reversal of 12739577551970 is 7915577593721.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12739577551970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15457667 + ... + 16260953.

It is an arithmetic number, because the mean of its divisors is an integer number (735986924784).

Almost surely, 2^{12739577551970} is an apocalyptic number.

12739577551970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12739577551970 is a deficient number, since it is larger than the sum of its proper divisors (10812004041118).

12739577551970 is a wasteful number, since it uses less digits than its factorization.

12739577551970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846194.

The product of its (nonzero) digits is 145860750, while the sum is 68.

The spelling of 12739577551970 in words is "twelve trillion, seven hundred thirty-nine billion, five hundred seventy-seven million, five hundred fifty-one thousand, nine hundred seventy".