90692262381 has 32 divisors (see below), whose sum is σ = 143111815168. Its totient is φ = 49992059520.

The previous prime is 90692262317. The next prime is 90692262391. The reversal of 90692262381 is 18326229609.

It is a happy number.

It is not a de Polignac number, because 90692262381 - 2⁶ = 90692262317 is a prime.

It is a super-2 number, since 2×90692262381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90692262381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90692262301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18781 + ... + 426306.

It is an arithmetic number, because the mean of its divisors is an integer number (4472244224).

Almost surely, 2^90692262381 is an apocalyptic number.

It is an amenable number.

90692262381 is a deficient number, since it is larger than the sum of its proper divisors (52419552787).

90692262381 is a wasteful number, since it uses less digits than its factorization.

90692262381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445441.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 90692262381 in words is "ninety billion, six hundred ninety-two million, two hundred sixty-two thousand, three hundred eighty-one".