9082490021 has 6 divisors (see below), whose sum is σ = 9983232966. Its totient is φ = 8256809000.

The previous prime is 9082489981. The next prime is 9082490047. The reversal of 9082490021 is 1200942809.

It can be written as a sum of positive squares in only one way, i.e., 7989856996 + 1092633025 = 89386^2 + 33055^2 .

It is not a de Polignac number, because 9082490021 - 2¹⁴ = 9082473637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9082499021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37530830 + ... + 37531071.

It is an arithmetic number, because the mean of its divisors is an integer number (1663872161).

Almost surely, 2^9082490021 is an apocalyptic number.

It is an amenable number.

9082490021 is a deficient number, since it is larger than the sum of its proper divisors (900742945).

9082490021 is a wasteful number, since it uses less digits than its factorization.

9082490021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75061923 (or 75061912 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9082490021 is about 95302.0987229557. The cubic root of 9082490021 is about 2086.4195483769.

The spelling of 9082490021 in words is "nine billion, eighty-two million, four hundred ninety thousand, twenty-one".