2572970409 has 6 divisors (see below), whose sum is σ = 3716512826. Its totient is φ = 1715313600.

The previous prime is 2572970347. The next prime is 2572970437. The reversal of 2572970409 is 9040792752.

2572970409 is a `hidden beast` number, since 2 + 572 + 9 + 70 + 4 + 0 + 9 = 666.

2572970409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1439974809 + 1132995600 = 37947^2 + 33660^2 .

It is not a de Polignac number, because 2572970409 - 2¹² = 2572966313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572970809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142942792 + ... + 142942809.

Almost surely, 2^2572970409 is an apocalyptic number.

It is an amenable number.

2572970409 is a deficient number, since it is larger than the sum of its proper divisors (1143542417).

2572970409 is a wasteful number, since it uses less digits than its factorization.

2572970409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285885607 (or 285885604 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2572970409 is about 50724.4557289677. The cubic root of 2572970409 is about 1370.2871880931.

The spelling of 2572970409 in words is "two billion, five hundred seventy-two million, nine hundred seventy thousand, four hundred nine".