90380933251 has 16 divisors (see below), whose sum is σ = 104864094720. Its totient is φ = 76291332480.

The previous prime is 90380933221. The next prime is 90380933297. The reversal of 90380933251 is 15233908309.

It is a cyclic number.

It is not a de Polignac number, because 90380933251 - 2⁹ = 90380932739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90380933198 and 90380933207.

It is not an unprimeable number, because it can be changed into a prime (90380933221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738290 + ... + 1789528.

It is an arithmetic number, because the mean of its divisors is an integer number (6554005920).

Almost surely, 2^90380933251 is an apocalyptic number.

90380933251 is a deficient number, since it is larger than the sum of its proper divisors (14483161469).

90380933251 is a wasteful number, since it uses less digits than its factorization.

90380933251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55074.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 90380933251 in words is "ninety billion, three hundred eighty million, nine hundred thirty-three thousand, two hundred fifty-one".