869463218769 has 16 divisors (see below), whose sum is σ = 1165231666368. Its totient is φ = 576668775872.

The previous prime is 869463218749. The next prime is 869463218783. The reversal of 869463218769 is 967812364968.

It is a cyclic number.

It is not a de Polignac number, because 869463218769 - 2⁵ = 869463218737 is a prime.

It is a super-2 number, since 2×869463218769² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869463218749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17609014 + ... + 17658320.

It is an arithmetic number, because the mean of its divisors is an integer number (72826979148).

Almost surely, 2^869463218769 is an apocalyptic number.

It is an amenable number.

869463218769 is a deficient number, since it is larger than the sum of its proper divisors (295768447599).

869463218769 is a wasteful number, since it uses less digits than its factorization.

869463218769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79344.

The product of its digits is 188116992, while the sum is 69.

The spelling of 869463218769 in words is "eight hundred sixty-nine billion, four hundred sixty-three million, two hundred eighteen thousand, seven hundred sixty-nine".