4098564722 has 54 divisors (see below), whose sum is σ = 7440049773. Its totient is φ = 1688352624.

The previous prime is 4098564719. The next prime is 4098564781. The reversal of 4098564722 is 2274658904.

It can be written as a sum of positive squares in 2 ways, for example, as 4096128001 + 2436721 = 64001^2 + 1561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18379103 + ... + 18379325.

Almost surely, 2^4098564722 is an apocalyptic number.

4098564722 is a deficient number, since it is larger than the sum of its proper divisors (3341485051).

4098564722 is an equidigital number, since it uses as much as digits as its factorization.

4098564722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 4098564722 is about 64020.0337550676. The cubic root of 4098564722 is about 1600.3338785005. Note that the first 3 decimals are identical.

The spelling of 4098564722 in words is "four billion, ninety-eight million, five hundred sixty-four thousand, seven hundred twenty-two".