2571745473 has 24 divisors (see below), whose sum is σ = 4054111776. Its totient is φ = 1557993600.

The previous prime is 2571745453. The next prime is 2571745481. The reversal of 2571745473 is 3745471752.

2571745473 is a `hidden beast` number, since 2 + 5 + 7 + 174 + 5 + 473 = 666.

It is not a de Polignac number, because 2571745473 - 2⁶ = 2571745409 is a prime.

It is a super-2 number, since 2×2571745473² = 13227749555791987458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571745453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368886 + ... + 375792.

It is an arithmetic number, because the mean of its divisors is an integer number (168921324).

Almost surely, 2^2571745473 is an apocalyptic number.

It is an amenable number.

2571745473 is a deficient number, since it is larger than the sum of its proper divisors (1482366303).

2571745473 is a wasteful number, since it uses less digits than its factorization.

2571745473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685 (or 10682 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 2571745473 is about 50712.3798790788. The cubic root of 2571745473 is about 1370.0696988001.

The spelling of 2571745473 in words is "two billion, five hundred seventy-one million, seven hundred forty-five thousand, four hundred seventy-three".