7057898689 has 2 divisors, whose sum is σ = 7057898690. Its totient is φ = 7057898688.

The previous prime is 7057898671. The next prime is 7057898699. The reversal of 7057898689 is 9868987507.

7057898689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6578507664 + 479391025 = 81108^2 + 21895^2 .

It is a cyclic number.

It is not a de Polignac number, because 7057898689 - 2¹¹ = 7057896641 is a prime.

It is not a weakly prime, because it can be changed into another prime (7057898699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528949344 + 3528949345.

It is an arithmetic number, because the mean of its divisors is an integer number (3528949345).

Almost surely, 2^7057898689 is an apocalyptic number.

It is an amenable number.

7057898689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057898689 is an equidigital number, since it uses as much as digits as its factorization.

7057898689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 67.

The square root of 7057898689 is about 84011.3009600494. The cubic root of 7057898689 is about 1918.1908132178.

The spelling of 7057898689 in words is "seven billion, fifty-seven million, eight hundred ninety-eight thousand, six hundred eighty-nine".