2856089231 has 2 divisors, whose sum is σ = 2856089232. Its totient is φ = 2856089230.

The previous prime is 2856089221. The next prime is 2856089251. The reversal of 2856089231 is 1329806582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2856089231 is a prime.

It is a super-2 number, since 2×2856089231² = 16314491390868342722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2856089221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428044615 + 1428044616.

It is an arithmetic number, because the mean of its divisors is an integer number (1428044616).

Almost surely, 2^2856089231 is an apocalyptic number.

2856089231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856089231 is an equidigital number, since it uses as much as digits as its factorization.

2856089231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2856089231 is about 53442.3917035905. The cubic root of 2856089231 is about 1418.8089647561.

The spelling of 2856089231 in words is "two billion, eight hundred fifty-six million, eighty-nine thousand, two hundred thirty-one".