2277630989 has 2 divisors, whose sum is σ = 2277630990. Its totient is φ = 2277630988.

The previous prime is 2277630967. The next prime is 2277631019. The reversal of 2277630989 is 9890367722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108370889 + 169260100 = 45917^2 + 13010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2277630989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2277630989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2277630389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138815494 + 1138815495.

It is an arithmetic number, because the mean of its divisors is an integer number (1138815495).

Almost surely, 2^2277630989 is an apocalyptic number.

It is an amenable number.

2277630989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277630989 is an equidigital number, since it uses as much as digits as its factorization.

2277630989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 2277630989 is about 47724.5323602023. The cubic root of 2277630989 is about 1315.7128644113.

The spelling of 2277630989 in words is "two billion, two hundred seventy-seven million, six hundred thirty thousand, nine hundred eighty-nine".