2277664651 has 2 divisors, whose sum is σ = 2277664652. Its totient is φ = 2277664650.

The previous prime is 2277664637. The next prime is 2277664657. The reversal of 2277664651 is 1564667722.

2277664651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2277664651 - 2⁵ = 2277664619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2277664657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138832325 + 1138832326.

It is an arithmetic number, because the mean of its divisors is an integer number (1138832326).

Almost surely, 2^2277664651 is an apocalyptic number.

2277664651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277664651 is an equidigital number, since it uses as much as digits as its factorization.

2277664651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 2277664651 is about 47724.8850286724. The cubic root of 2277664651 is about 1315.7193461912.

The spelling of 2277664651 in words is "two billion, two hundred seventy-seven million, six hundred sixty-four thousand, six hundred fifty-one".