2572749441 has 12 divisors (see below), whose sum is σ = 3743320932. Its totient is φ = 1702646016.

The previous prime is 2572749401. The next prime is 2572749449. The reversal of 2572749441 is 1449472752.

2572749441 is a `hidden beast` number, since 2 + 572 + 74 + 9 + 4 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1529201025 + 1043548416 = 39105^2 + 32304^2 .

It is not a de Polignac number, because 2572749441 - 2⁹ = 2572748929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2572749449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1042056 + ... + 1044521.

It is an arithmetic number, because the mean of its divisors is an integer number (311943411).

Almost surely, 2^2572749441 is an apocalyptic number.

It is an amenable number.

2572749441 is a deficient number, since it is larger than the sum of its proper divisors (1170571491).

2572749441 is a wasteful number, since it uses less digits than its factorization.

2572749441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086720 (or 2086717 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 2572749441 is about 50722.2775612452. The cubic root of 2572749441 is about 1370.2479599845.

The spelling of 2572749441 in words is "two billion, five hundred seventy-two million, seven hundred forty-nine thousand, four hundred forty-one".