90633678369 has 8 divisors (see below), whose sum is σ = 130140666432. Its totient is φ = 55774571280.

The previous prime is 90633678349. The next prime is 90633678371. The reversal of 90633678369 is 96387633609.

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

It is not a de Polignac number, because 90633678369 - 2¹¹ = 90633676321 is a prime.

It is a super-2 number, since 2×90633678369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90633678319) 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, 1161970197 + ... + 1161970274.

It is an arithmetic number, because the mean of its divisors is an integer number (16267583304).

Almost surely, 2^90633678369 is an apocalyptic number.

It is an amenable number.

90633678369 is a deficient number, since it is larger than the sum of its proper divisors (39506988063).

90633678369 is a wasteful number, since it uses less digits than its factorization.

90633678369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323940487.

The product of its (nonzero) digits is 26453952, while the sum is 60.

The spelling of 90633678369 in words is "ninety billion, six hundred thirty-three million, six hundred seventy-eight thousand, three hundred sixty-nine".