2570120845 has 4 divisors (see below), whose sum is σ = 3084145020. Its totient is φ = 2056096672.

The previous prime is 2570120837. The next prime is 2570120851. The reversal of 2570120845 is 5480210752.

It is a happy number.

2570120845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 487658889 + 2082461956 = 22083^2 + 45634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570120845 - 2³ = 2570120837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2570120845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257012080 + ... + 257012089.

It is an arithmetic number, because the mean of its divisors is an integer number (771036255).

Almost surely, 2^2570120845 is an apocalyptic number.

It is an amenable number.

2570120845 is a deficient number, since it is larger than the sum of its proper divisors (514024175).

2570120845 is an equidigital number, since it uses as much as digits as its factorization.

2570120845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514024174.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2570120845 is about 50696.3592874281. The cubic root of 2570120845 is about 1369.7811370056.

The spelling of 2570120845 in words is "two billion, five hundred seventy million, one hundred twenty thousand, eight hundred forty-five".