90336829439 has 4 divisors (see below), whose sum is σ = 90352900656. Its totient is φ = 90320758224.

The previous prime is 90336829421. The next prime is 90336829489. The reversal of 90336829439 is 93492863309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93492863309 = 24499 ⋅3816191.

It is a cyclic number.

It is not a de Polignac number, because 90336829439 - 2²⁸ = 90068393983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90336829489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8027174 + ... + 8038419.

It is an arithmetic number, because the mean of its divisors is an integer number (22588225164).

Almost surely, 2^90336829439 is an apocalyptic number.

90336829439 is a deficient number, since it is larger than the sum of its proper divisors (16071217).

90336829439 is a wasteful number, since it uses less digits than its factorization.

90336829439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16071216.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 90336829439 in words is "ninety billion, three hundred thirty-six million, eight hundred twenty-nine thousand, four hundred thirty-nine".