2643800231 has 2 divisors, whose sum is σ = 2643800232. Its totient is φ = 2643800230.

The previous prime is 2643800221. The next prime is 2643800273. The reversal of 2643800231 is 1320083462.

2643800231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2643800231 - 2²⁶ = 2576691367 is a prime.

It is a super-2 number, since 2×2643800231² = 13979359322871306722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2643800194 and 2643800203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643800221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321900115 + 1321900116.

It is an arithmetic number, because the mean of its divisors is an integer number (1321900116).

Almost surely, 2^2643800231 is an apocalyptic number.

2643800231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643800231 is an equidigital number, since it uses as much as digits as its factorization.

2643800231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2643800231 is about 51417.8979636469. The cubic root of 2643800231 is about 1382.7474897853.

Adding to 2643800231 its reverse (1320083462), we get a palindrome (3963883693).

The spelling of 2643800231 in words is "two billion, six hundred forty-three million, eight hundred thousand, two hundred thirty-one".