90730357659 has 16 divisors (see below), whose sum is σ = 134426020000. Its totient is φ = 60482101248.

The previous prime is 90730357651. The next prime is 90730357687. The reversal of 90730357659 is 95675303709.

It is not a de Polignac number, because 90730357659 - 2³ = 90730357651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90730357651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230907 + ... + 484539.

It is an arithmetic number, because the mean of its divisors is an integer number (8401626250).

Almost surely, 2^90730357659 is an apocalyptic number.

90730357659 is a deficient number, since it is larger than the sum of its proper divisors (43695662341).

90730357659 is a wasteful number, since it uses less digits than its factorization.

90730357659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266891 (or 266885 counting only the distinct ones).

The product of its (nonzero) digits is 5358150, while the sum is 54.

The spelling of 90730357659 in words is "ninety billion, seven hundred thirty million, three hundred fifty-seven thousand, six hundred fifty-nine".