2570793985 has 4 divisors (see below), whose sum is σ = 3084952788. Its totient is φ = 2056635184.

The previous prime is 2570793983. The next prime is 2570794021. The reversal of 2570793985 is 5893970752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 745453809 + 1825340176 = 27303^2 + 42724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570793985 - 2¹ = 2570793983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2570793983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257079394 + ... + 257079403.

It is an arithmetic number, because the mean of its divisors is an integer number (771238197).

Almost surely, 2^2570793985 is an apocalyptic number.

It is an amenable number.

2570793985 is a deficient number, since it is larger than the sum of its proper divisors (514158803).

2570793985 is an equidigital number, since it uses as much as digits as its factorization.

2570793985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514158802.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The square root of 2570793985 is about 50702.9977910577. The cubic root of 2570793985 is about 1369.9007129637.

The spelling of 2570793985 in words is "two billion, five hundred seventy million, seven hundred ninety-three thousand, nine hundred eighty-five".