90923358993 has 8 divisors (see below), whose sum is σ = 127611732000. Its totient is φ = 57425279328.

The previous prime is 90923358947. The next prime is 90923359001. The reversal of 90923358993 is 39985332909.

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

It is not a de Polignac number, because 90923358993 - 2¹³ = 90923350801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90923358913) 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, 797573268 + ... + 797573381.

It is an arithmetic number, because the mean of its divisors is an integer number (15951466500).

Almost surely, 2^90923358993 is an apocalyptic number.

It is an amenable number.

90923358993 is a deficient number, since it is larger than the sum of its proper divisors (36688373007).

90923358993 is a wasteful number, since it uses less digits than its factorization.

90923358993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595146671.

The product of its (nonzero) digits is 14171760, while the sum is 60.

The spelling of 90923358993 in words is "ninety billion, nine hundred twenty-three million, three hundred fifty-eight thousand, nine hundred ninety-three".