2641818251 has 2 divisors, whose sum is σ = 2641818252. Its totient is φ = 2641818250.

The previous prime is 2641818211. The next prime is 2641818269. The reversal of 2641818251 is 1528181462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641818251 - 2⁶ = 2641818187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2641818211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320909125 + 1320909126.

It is an arithmetic number, because the mean of its divisors is an integer number (1320909126).

Almost surely, 2^2641818251 is an apocalyptic number.

2641818251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641818251 is an equidigital number, since it uses as much as digits as its factorization.

2641818251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 2641818251 is about 51398.6211001813. The cubic root of 2641818251 is about 1382.4018682356.

The spelling of 2641818251 in words is "two billion, six hundred forty-one million, eight hundred eighteen thousand, two hundred fifty-one".