90539992268393 has 8 divisors (see below), whose sum is σ = 90551060261376. Its totient is φ = 90528924679200.

The previous prime is 90539992268381. The next prime is 90539992268399. The reversal of 90539992268393 is 39386229993509.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90539992268393 - 2⁴ = 90539992268377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90539992268399) 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, 880747805 + ... + 880850597.

It is an arithmetic number, because the mean of its divisors is an integer number (11318882532672).

Almost surely, 2^{90539992268393} is an apocalyptic number.

It is an amenable number.

90539992268393 is a deficient number, since it is larger than the sum of its proper divisors (11067992983).

90539992268393 is a wasteful number, since it uses less digits than its factorization.

90539992268393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201895.

The product of its (nonzero) digits is 1530550080, while the sum is 77.

The spelling of 90539992268393 in words is "ninety trillion, five hundred thirty-nine billion, nine hundred ninety-two million, two hundred sixty-eight thousand, three hundred ninety-three".