2570521868 has 24 divisors (see below), whose sum is σ = 4633398672. Its totient is φ = 1246895424.

The previous prime is 2570521861. The next prime is 2570521871. The reversal of 2570521868 is 8681250752.

It is not an unprimeable number, because it can be changed into a prime (2570521861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26330 + ... + 76382.

It is an arithmetic number, because the mean of its divisors is an integer number (193058278).

Almost surely, 2^2570521868 is an apocalyptic number.

It is an amenable number.

2570521868 is a deficient number, since it is larger than the sum of its proper divisors (2062876804).

2570521868 is a wasteful number, since it uses less digits than its factorization.

2570521868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50441 (or 50439 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 2570521868 is about 50700.3142791048. The cubic root of 2570521868 is about 1369.8523768689.

The spelling of 2570521868 in words is "two billion, five hundred seventy million, five hundred twenty-one thousand, eight hundred sixty-eight".