4472745331 has 18 divisors (see below), whose sum is σ = 4800434940. Its totient is φ = 4155866352.

The previous prime is 4472745311. The next prime is 4472745359. The reversal of 4472745331 is 1335472744.

It is not a de Polignac number, because 4472745331 - 2²¹ = 4470648179 is a prime.

It is a super-2 number, since 2×4472745331² = 40010901591964599122, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (282240) is a multiple of the sum of its prime divisors (315).

It is not an unprimeable number, because it can be changed into a prime (4472745311) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19531525 + ... + 19531753.

It is an arithmetic number, because the mean of its divisors is an integer number (266690830).

Almost surely, 2^4472745331 is an apocalyptic number.

4472745331 is a deficient number, since it is larger than the sum of its proper divisors (327689609).

4472745331 is an frugal number, since it uses more digits than its factorization.

4472745331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 315 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 4472745331 is about 66878.5864907446. The cubic root of 4472745331 is about 1647.6238010561.

The spelling of 4472745331 in words is "four billion, four hundred seventy-two million, seven hundred forty-five thousand, three hundred thirty-one".