2139818329164 has 12 divisors (see below), whose sum is σ = 4992909434744. Its totient is φ = 713272776384.

The previous prime is 2139818329163. The next prime is 2139818329171. The reversal of 2139818329164 is 4619238189312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2139818329163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 89159097037 + ... + 89159097060.

Almost surely, 2^{2139818329164} is an apocalyptic number.

It is an amenable number.

2139818329164 is an abundant number, since it is smaller than the sum of its proper divisors (2853091105580).

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

2139818329164 is a wasteful number, since it uses less digits than its factorization.

2139818329164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178318194104 (or 178318194102 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The spelling of 2139818329164 in words is "two trillion, one hundred thirty-nine billion, eight hundred eighteen million, three hundred twenty-nine thousand, one hundred sixty-four".