869972231051 has 16 divisors (see below), whose sum is σ = 1084701765120. Its totient is φ = 677862276480.

The previous prime is 869972231027. The next prime is 869972231069. The reversal of 869972231051 is 150132279968.

It is a cyclic number.

It is not a de Polignac number, because 869972231051 - 2¹⁸ = 869971968907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869972230984 and 869972231002.

It is not an unprimeable number, because it can be changed into a prime (869972231251) 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 15 ways as a sum of consecutive naturals, for example, 1099370 + ... + 1717136.

It is an arithmetic number, because the mean of its divisors is an integer number (67793860320).

Almost surely, 2^869972231051 is an apocalyptic number.

869972231051 is a deficient number, since it is larger than the sum of its proper divisors (214729534069).

869972231051 is a wasteful number, since it uses less digits than its factorization.

869972231051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636074.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 869972231051 in words is "eight hundred sixty-nine billion, nine hundred seventy-two million, two hundred thirty-one thousand, fifty-one".