90459300497 has 8 divisors (see below), whose sum is σ = 92079113280. Its totient is φ = 88842374640.

The previous prime is 90459300487. The next prime is 90459300499. The reversal of 90459300497 is 79400395409.

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

It is not a de Polignac number, because 90459300497 - 2⁶ = 90459300433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90459300499) 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, 658454 + ... + 783887.

It is an arithmetic number, because the mean of its divisors is an integer number (11509889160).

Almost surely, 2^90459300497 is an apocalyptic number.

It is an amenable number.

90459300497 is a deficient number, since it is larger than the sum of its proper divisors (1619812783).

90459300497 is a wasteful number, since it uses less digits than its factorization.

90459300497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443463.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 90459300497 in words is "ninety billion, four hundred fifty-nine million, three hundred thousand, four hundred ninety-seven".