90135501926399 has 4 divisors (see below), whose sum is σ = 90150907077000. Its totient is φ = 90120096775800.

The previous prime is 90135501926389. The next prime is 90135501926401. The reversal of 90135501926399 is 99362910553109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90135501926399 - 2⁸ = 90135501926143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90135501926339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7702566524 + ... + 7702578225.

It is an arithmetic number, because the mean of its divisors is an integer number (22537726769250).

Almost surely, 2^{90135501926399} is an apocalyptic number.

90135501926399 is a deficient number, since it is larger than the sum of its proper divisors (15405150601).

90135501926399 is a wasteful number, since it uses less digits than its factorization.

90135501926399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405150600.

The product of its (nonzero) digits is 17714700, while the sum is 62.

The spelling of 90135501926399 in words is "ninety trillion, one hundred thirty-five billion, five hundred one million, nine hundred twenty-six thousand, three hundred ninety-nine".