2138883593958 has 24 divisors (see below), whose sum is σ = 4634715948408. Its totient is φ = 712889173152.

The previous prime is 2138883593953. The next prime is 2138883594013. The reversal of 2138883593958 is 8593953888312.

2138883593958 is a `hidden beast` number, since 21 + 3 + 8 + 8 + 8 + 3 + 593 + 9 + 5 + 8 = 666.

It is a super-2 number, since 2×2138883593958² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138883593953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818791 + ... + 6175442.

It is an arithmetic number, because the mean of its divisors is an integer number (193113164517).

Almost surely, 2^{2138883593958} is an apocalyptic number.

2138883593958 is an abundant number, since it is smaller than the sum of its proper divisors (2495832354450).

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

2138883593958 is a wasteful number, since it uses less digits than its factorization.

2138883593958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12004148 (or 12004145 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

The spelling of 2138883593958 in words is "two trillion, one hundred thirty-eight billion, eight hundred eighty-three million, five hundred ninety-three thousand, nine hundred fifty-eight".