2279626649 has 2 divisors, whose sum is σ = 2279626650. Its totient is φ = 2279626648.

The previous prime is 2279626621. The next prime is 2279626663. The reversal of 2279626649 is 9466269722.

2279626649 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 can be written as a sum of positive squares in only one way, i.e., 1413384025 + 866242624 = 37595^2 + 29432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2279626649 - 2¹⁶ = 2279561113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2279626649.

It is not a weakly prime, because it can be changed into another prime (2279626049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139813324 + 1139813325.

It is an arithmetic number, because the mean of its divisors is an integer number (1139813325).

Almost surely, 2^2279626649 is an apocalyptic number.

It is an amenable number.

2279626649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2279626649 is an equidigital number, since it uses as much as digits as its factorization.

2279626649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The square root of 2279626649 is about 47745.4358970572. The cubic root of 2279626649 is about 1316.0970280498.

The spelling of 2279626649 in words is "two billion, two hundred seventy-nine million, six hundred twenty-six thousand, six hundred forty-nine".