90263808241 has 4 divisors (see below), whose sum is σ = 90785564532. Its totient is φ = 89742051952.

The previous prime is 90263808227. The next prime is 90263808247. The reversal of 90263808241 is 14280836209.

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 33295665841 + 56968142400 = 182471^2 + 238680^2 .

It is a cyclic number.

It is not a de Polignac number, because 90263808241 - 2⁷ = 90263808113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90263808247) 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, 260877886 + ... + 260878231.

It is an arithmetic number, because the mean of its divisors is an integer number (22696391133).

Almost surely, 2^90263808241 is an apocalyptic number.

It is an amenable number.

90263808241 is a deficient number, since it is larger than the sum of its proper divisors (521756291).

90263808241 is a wasteful number, since it uses less digits than its factorization.

90263808241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521756290.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 90263808241 in words is "ninety billion, two hundred sixty-three million, eight hundred eight thousand, two hundred forty-one".