2999018857 has 2 divisors, whose sum is σ = 2999018858. Its totient is φ = 2999018856.

The previous prime is 2999018839. The next prime is 2999018903. The reversal of 2999018857 is 7588109992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2948381401 + 50637456 = 54299^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2999018857 - 2¹¹ = 2999016809 is a prime.

It is a super-2 number, since 2×2999018857² = 17988228209283172898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2999018257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499509428 + 1499509429.

It is an arithmetic number, because the mean of its divisors is an integer number (1499509429).

Almost surely, 2^2999018857 is an apocalyptic number.

It is an amenable number.

2999018857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999018857 is an equidigital number, since it uses as much as digits as its factorization.

2999018857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 58.

The square root of 2999018857 is about 54763.2984488699. The cubic root of 2999018857 is about 1442.0923250450.

The spelling of 2999018857 in words is "two billion, nine hundred ninety-nine million, eighteen thousand, eight hundred fifty-seven".