2788826949 has 16 divisors (see below), whose sum is σ = 4138360000. Its totient is φ = 1856173968.

The previous prime is 2788826933. The next prime is 2788826983. The reversal of 2788826949 is 9496288872.

2788826949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2788826949 - 2⁴ = 2788826933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788826449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67699 + ... + 100800.

It is an arithmetic number, because the mean of its divisors is an integer number (258647500).

Almost surely, 2^2788826949 is an apocalyptic number.

It is an amenable number.

2788826949 is a deficient number, since it is larger than the sum of its proper divisors (1349533051).

2788826949 is a wasteful number, since it uses less digits than its factorization.

2788826949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169121 (or 169115 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 2788826949 is about 52809.3452809254. The cubic root of 2788826949 is about 1407.5824893946.

The spelling of 2788826949 in words is "two billion, seven hundred eighty-eight million, eight hundred twenty-six thousand, nine hundred forty-nine".