2560697907 has 4 divisors (see below), whose sum is σ = 3414263880. Its totient is φ = 1707131936.

The previous prime is 2560697827. The next prime is 2560697911. The reversal of 2560697907 is 7097960652.

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

It is a cyclic number.

It is not a de Polignac number, because 2560697907 - 2⁷ = 2560697779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2560697907.

It is not an unprimeable number, because it can be changed into a prime (2560697957) 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, 426782982 + ... + 426782987.

It is an arithmetic number, because the mean of its divisors is an integer number (853565970).

Almost surely, 2^2560697907 is an apocalyptic number.

2560697907 is a deficient number, since it is larger than the sum of its proper divisors (853565973).

2560697907 is an equidigital number, since it uses as much as digits as its factorization.

2560697907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853565972.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 2560697907 is about 50603.3388918162. The cubic root of 2560697907 is about 1368.1050589821.

The spelling of 2560697907 in words is "two billion, five hundred sixty million, six hundred ninety-seven thousand, nine hundred seven".