2649379608 has 96 divisors (see below), whose sum is σ = 7577169600. Its totient is φ = 833976000.

The previous prime is 2649379573. The next prime is 2649379619. The reversal of 2649379608 is 8069739462.

It is a happy number.

2649379608 is a `hidden beast` number, since 26 + 4 + 9 + 3 + 7 + 9 + 608 = 666.

2649379608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449883 + ... + 455733.

It is an arithmetic number, because the mean of its divisors is an integer number (78928850).

Almost surely, 2^2649379608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649379608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788584800).

2649379608 is an abundant number, since it is smaller than the sum of its proper divisors (4927789992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649379608 is a wasteful number, since it uses less digits than its factorization.

2649379608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 2649379608 is about 51472.1245724324. The cubic root of 2649379608 is about 1383.7195058436.

The spelling of 2649379608 in words is "two billion, six hundred forty-nine million, three hundred seventy-nine thousand, six hundred eight".