869115189454 has 8 divisors (see below), whose sum is σ = 1303682556528. Its totient is φ = 434554337280.

The previous prime is 869115189431. The next prime is 869115189463. The reversal of 869115189454 is 454981511968.

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

It is a super-2 number, since 2×869115189454² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869115189392 and 869115189401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280307 + ... + 1837774.

It is an arithmetic number, because the mean of its divisors is an integer number (162960319566).

Almost surely, 2^869115189454 is an apocalyptic number.

869115189454 is a deficient number, since it is larger than the sum of its proper divisors (434567367074).

869115189454 is a wasteful number, since it uses less digits than its factorization.

869115189454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257450.

The product of its digits is 12441600, while the sum is 61.

The spelling of 869115189454 in words is "eight hundred sixty-nine billion, one hundred fifteen million, one hundred eighty-nine thousand, four hundred fifty-four".