2649452364 has 72 divisors (see below), whose sum is σ = 7311292352. Its totient is φ = 804038400.

The previous prime is 2649452357. The next prime is 2649452387. The reversal of 2649452364 is 4632549462.

2649452364 is a `hidden beast` number, since 2 + 64 + 9 + 4 + 523 + 64 = 666.

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, 4612 + ... + 72939.

Almost surely, 2^2649452364 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 2649452364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655646176).

2649452364 is an abundant number, since it is smaller than the sum of its proper divisors (4661839988).

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

2649452364 is a wasteful number, since it uses less digits than its factorization.

2649452364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77647 (or 77642 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 2649452364 is about 51472.8313190561. The cubic root of 2649452364 is about 1383.7321720761.

The spelling of 2649452364 in words is "two billion, six hundred forty-nine million, four hundred fifty-two thousand, three hundred sixty-four".