90480092433781 has 4 divisors (see below), whose sum is σ = 90550614720672. Its totient is φ = 90409570146892.

The previous prime is 90480092433779. The next prime is 90480092433833. The reversal of 90480092433781 is 18733429008409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90480092433781 - 2¹ = 90480092433779 is a prime.

It is a super-2 number, since 2×90480092433781² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90480092433481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35261141521 + ... + 35261144086.

It is an arithmetic number, because the mean of its divisors is an integer number (22637653680168).

Almost surely, 2^{90480092433781} is an apocalyptic number.

It is an amenable number.

90480092433781 is a deficient number, since it is larger than the sum of its proper divisors (70522286891).

90480092433781 is a wasteful number, since it uses less digits than its factorization.

90480092433781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70522286890.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 90480092433781 in words is "ninety trillion, four hundred eighty billion, ninety-two million, four hundred thirty-three thousand, seven hundred eighty-one".