90608922401 has 4 divisors (see below), whose sum is σ = 90611294532. Its totient is φ = 90606550272.

The previous prime is 90608922379. The next prime is 90608922419. The reversal of 90608922401 is 10422980609.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53257562176 + 37351360225 = 230776^2 + 193265^2 .

It is a cyclic number.

It is not a de Polignac number, because 90608922401 - 2⁶ = 90608922337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90608922461) 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, 1127816 + ... + 1205481.

It is an arithmetic number, because the mean of its divisors is an integer number (22652823633).

Almost surely, 2^90608922401 is an apocalyptic number.

It is an amenable number.

90608922401 is a deficient number, since it is larger than the sum of its proper divisors (2372131).

90608922401 is a wasteful number, since it uses less digits than its factorization.

90608922401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372130.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 90608922401 in words is "ninety billion, six hundred eight million, nine hundred twenty-two thousand, four hundred one".