2279626641 has 12 divisors (see below), whose sum is σ = 3309857668. Its totient is φ = 1511875584.

The previous prime is 2279626621. The next prime is 2279626649. The reversal of 2279626641 is 1466269722.

It can be written as a sum of positive squares in 2 ways, for example, as 560695041 + 1718931600 = 23679^2 + 41460^2 .

It is not a de Polignac number, because 2279626641 - 2²⁶ = 2212517777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279626649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654460 + ... + 657933.

Almost surely, 2^2279626641 is an apocalyptic number.

It is an amenable number.

2279626641 is a deficient number, since it is larger than the sum of its proper divisors (1030231027).

2279626641 is a wasteful number, since it uses less digits than its factorization.

2279626641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312592 (or 1312589 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2279626641 is about 47745.4358132796. The cubic root of 2279626641 is about 1316.0970265103.

The spelling of 2279626641 in words is "two billion, two hundred seventy-nine million, six hundred twenty-six thousand, six hundred forty-one".