2138979151273 has 8 divisors (see below), whose sum is σ = 2251692717120. Its totient is φ = 2026279157040.

The previous prime is 2138979151193. The next prime is 2138979151277. The reversal of 2138979151273 is 3721519798312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2138979151273 - 2²⁹ = 2138442280361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138979151277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3068590 + ... + 3700567.

It is an arithmetic number, because the mean of its divisors is an integer number (281461589640).

Almost surely, 2^{2138979151273} is an apocalyptic number.

It is an amenable number.

2138979151273 is a deficient number, since it is larger than the sum of its proper divisors (112713565847).

2138979151273 is a wasteful number, since it uses less digits than its factorization.

2138979151273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785807.

The product of its digits is 5715360, while the sum is 58.

The spelling of 2138979151273 in words is "two trillion, one hundred thirty-eight billion, nine hundred seventy-nine million, one hundred fifty-one thousand, two hundred seventy-three".