5649387876 has 288 divisors, whose sum is σ = 17270422400. Its totient is φ = 1590969600.

The previous prime is 5649387871. The next prime is 5649387901. The reversal of 5649387876 is 6787839465.

5649387876 is a `hidden beast` number, since 5 + 6 + 493 + 8 + 78 + 76 = 666.

It is not an unprimeable number, because it can be changed into a prime (5649387871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15145626 + ... + 15145998.

Almost surely, 2^5649387876 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 5649387876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8635211200).

5649387876 is an abundant number, since it is smaller than the sum of its proper divisors (11621034524).

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

5649387876 is a wasteful number, since it uses less digits than its factorization.

5649387876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 469 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 5649387876 is about 75162.4099932939. The cubic root of 5649387876 is about 1781.0131710397.

The spelling of 5649387876 in words is "five billion, six hundred forty-nine million, three hundred eighty-seven thousand, eight hundred seventy-six".