5646936780 has 36 divisors (see below), whose sum is σ = 17129042112. Its totient is φ = 1505849760.

The previous prime is 5646936761. The next prime is 5646936797. The reversal of 5646936780 is 876396465.

5646936780 is a `hidden beast` number, since 564 + 6 + 9 + 3 + 6 + 78 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15685756 + ... + 15686115.

Almost surely, 2^5646936780 is an apocalyptic number.

It is an amenable number.

5646936780 is an abundant number, since it is smaller than the sum of its proper divisors (11482105332).

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

5646936780 is a wasteful number, since it uses less digits than its factorization.

5646936780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371886 (or 31371881 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 5646936780 is about 75146.1028929644. The cubic root of 5646936780 is about 1780.7555581296.

The spelling of 5646936780 in words is "five billion, six hundred forty-six million, nine hundred thirty-six thousand, seven hundred eighty".