90304642299 has 16 divisors (see below), whose sum is σ = 120692581632. Its totient is φ = 60059981088.

The previous prime is 90304642297. The next prime is 90304642321. The reversal of 90304642299 is 99224640309.

It is not a de Polignac number, because 90304642299 - 2¹ = 90304642297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90304642297) 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, 5548057 + ... + 5564309.

It is an arithmetic number, because the mean of its divisors is an integer number (7543286352).

Almost surely, 2^90304642299 is an apocalyptic number.

90304642299 is a deficient number, since it is larger than the sum of its proper divisors (30387939333).

90304642299 is a wasteful number, since it uses less digits than its factorization.

90304642299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 90304642299 in words is "ninety billion, three hundred four million, six hundred forty-two thousand, two hundred ninety-nine".