90326094849 has 81 divisors (see below), whose sum is σ = 142290919459. Its totient is φ = 55203738240.

The previous prime is 90326094847. The next prime is 90326094869. The reversal of 90326094849 is 94849062309.

The square root of 90326094849 is 300543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70323084225 + 20003010624 = 265185^2 + 141432^2 .

It is not a de Polignac number, because 90326094849 - 2¹ = 90326094847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90326094795 and 90326094804.

It is not an unprimeable number, because it can be changed into a prime (90326094841) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1088266162 + ... + 1088266244.

Almost surely, 2^90326094849 is an apocalyptic number.

90326094849 is the 300543-rd square number.

90326094849 is the 150272-nd centered octagonal number.

It is an amenable number.

90326094849 is a deficient number, since it is larger than the sum of its proper divisors (51964824610).

90326094849 is an equidigital number, since it uses as much as digits as its factorization.

90326094849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 90326094849 in words is "ninety billion, three hundred twenty-six million, ninety-four thousand, eight hundred forty-nine".