8490820361 has 24 divisors (see below), whose sum is σ = 9127656000. Its totient is φ = 7888557600.

The previous prime is 8490820333. The next prime is 8490820363. The reversal of 8490820361 is 1630280948.

It is not a de Polignac number, because 8490820361 - 2¹⁴ = 8490803977 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 (8490820363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5545166 + ... + 5546696.

It is an arithmetic number, because the mean of its divisors is an integer number (380319000).

Almost surely, 2^8490820361 is an apocalyptic number.

It is an amenable number.

8490820361 is a deficient number, since it is larger than the sum of its proper divisors (636835639).

8490820361 is a wasteful number, since it uses less digits than its factorization.

8490820361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8490820361 is about 92145.6475423555. The cubic root of 8490820361 is about 2040.0926173028.

The spelling of 8490820361 in words is "eight billion, four hundred ninety million, eight hundred twenty thousand, three hundred sixty-one".