2791422645 has 32 divisors (see below), whose sum is σ = 4874947200. Its totient is φ = 1352682240.

The previous prime is 2791422619. The next prime is 2791422659. The reversal of 2791422645 is 5462241972.

It is a happy number.

It is not a de Polignac number, because 2791422645 - 2¹² = 2791418549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2791422597 and 2791422606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417267 + ... + 423903.

It is an arithmetic number, because the mean of its divisors is an integer number (152342100).

Almost surely, 2^2791422645 is an apocalyptic number.

It is an amenable number.

2791422645 is a deficient number, since it is larger than the sum of its proper divisors (2083524555).

2791422645 is a wasteful number, since it uses less digits than its factorization.

2791422645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205.

The product of its digits is 241920, while the sum is 42.

The square root of 2791422645 is about 52833.9156697665. The cubic root of 2791422645 is about 1408.0190556577.

The spelling of 2791422645 in words is "two billion, seven hundred ninety-one million, four hundred twenty-two thousand, six hundred forty-five".