2856214969 has 2 divisors, whose sum is σ = 2856214970. Its totient is φ = 2856214968.

The previous prime is 2856214943. The next prime is 2856215023. The reversal of 2856214969 is 9694126582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2853696400 + 2518569 = 53420^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856214969 - 2⁵ = 2856214937 is a prime.

It is a super-2 number, since 2×2856214969² = 16315927898279341922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2856214169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428107484 + 1428107485.

It is an arithmetic number, because the mean of its divisors is an integer number (1428107485).

Almost surely, 2^2856214969 is an apocalyptic number.

It is an amenable number.

2856214969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856214969 is an equidigital number, since it uses as much as digits as its factorization.

2856214969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 2856214969 is about 53443.5680788624. The cubic root of 2856214969 is about 1418.8297852522.

The spelling of 2856214969 in words is "two billion, eight hundred fifty-six million, two hundred fourteen thousand, nine hundred sixty-nine".