7057898489 has 2 divisors, whose sum is σ = 7057898490. Its totient is φ = 7057898488.

The previous prime is 7057898467. The next prime is 7057898501. The reversal of 7057898489 is 9848987507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6059844025 + 998054464 = 77845^2 + 31592^2 .

It is an emirp because it is prime and its reverse (9848987507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7057898489 - 2¹⁶ = 7057832953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7057898689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528949244 + 3528949245.

It is an arithmetic number, because the mean of its divisors is an integer number (3528949245).

Almost surely, 2^7057898489 is an apocalyptic number.

It is an amenable number.

7057898489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057898489 is an equidigital number, since it uses as much as digits as its factorization.

7057898489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 65.

The square root of 7057898489 is about 84011.2997697334. The cubic root of 7057898489 is about 1918.1907950992.

The spelling of 7057898489 in words is "seven billion, fifty-seven million, eight hundred ninety-eight thousand, four hundred eighty-nine".