90604740993 has 8 divisors (see below), whose sum is σ = 130099115328. Its totient is φ = 55756763664.

The previous prime is 90604740979. The next prime is 90604740997. The reversal of 90604740993 is 39904740609.

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

It is not a de Polignac number, because 90604740993 - 2¹⁰ = 90604739969 is a prime.

It is a super-2 number, since 2×90604740993² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90604740997) 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, 1161599205 + ... + 1161599282.

It is an arithmetic number, because the mean of its divisors is an integer number (16262389416).

Almost surely, 2^90604740993 is an apocalyptic number.

It is an amenable number.

90604740993 is a deficient number, since it is larger than the sum of its proper divisors (39494374335).

90604740993 is a wasteful number, since it uses less digits than its factorization.

90604740993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323198503.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 90604740993 in words is "ninety billion, six hundred four million, seven hundred forty thousand, nine hundred ninety-three".