2570720709 has 8 divisors (see below), whose sum is σ = 3432345280. Its totient is φ = 1711454976.

The previous prime is 2570720707. The next prime is 2570720749. The reversal of 2570720709 is 9070270752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2570720709 - 2¹ = 2570720707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570720707) 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, 587164 + ... + 591525.

It is an arithmetic number, because the mean of its divisors is an integer number (429043160).

Almost surely, 2^2570720709 is an apocalyptic number.

It is an amenable number.

2570720709 is a deficient number, since it is larger than the sum of its proper divisors (861624571).

2570720709 is a wasteful number, since it uses less digits than its factorization.

2570720709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179419.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 2570720709 is about 50702.2751856364. The cubic root of 2570720709 is about 1369.8876972963.

The spelling of 2570720709 in words is "two billion, five hundred seventy million, seven hundred twenty thousand, seven hundred nine".