2649949704 has 96 divisors (see below), whose sum is σ = 7443235800. Its totient is φ = 850698240.

The previous prime is 2649949697. The next prime is 2649949711. The reversal of 2649949704 is 4079499462.

2649949704 is a `hidden beast` number, since 2 + 64 + 99 + 497 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2649949697) and next prime (2649949711).

It can be written as a sum of positive squares in 4 ways, for example, as 2531096100 + 118853604 = 50310^2 + 10902^2 .

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, 961192 + ... + 963944.

Almost surely, 2^2649949704 is an apocalyptic number.

2649949704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649949704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3721617900).

2649949704 is an abundant number, since it is smaller than the sum of its proper divisors (4793286096).

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

2649949704 is a wasteful number, since it uses less digits than its factorization.

2649949704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3248 counting only the distinct ones).

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

The square root of 2649949704 is about 51477.6621846797. The cubic root of 2649949704 is about 1383.8187487478.

The spelling of 2649949704 in words is "two billion, six hundred forty-nine million, nine hundred forty-nine thousand, seven hundred four".