5647861956 has 48 divisors (see below), whose sum is σ = 14573337408. Its totient is φ = 1688025600.

The previous prime is 5647861943. The next prime is 5647861963. The reversal of 5647861956 is 6591687465.

It is a junction number, because it is equal to n+sod(n) for n = 5647861896 and 5647861905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283425 + ... + 302696.

It is an arithmetic number, because the mean of its divisors is an integer number (303611196).

Almost surely, 2^5647861956 is an apocalyptic number.

It is an amenable number.

5647861956 is an abundant number, since it is smaller than the sum of its proper divisors (8925475452).

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

5647861956 is a wasteful number, since it uses less digits than its factorization.

5647861956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586212 (or 586210 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The square root of 5647861956 is about 75152.2584890168. The cubic root of 5647861956 is about 1780.8528039109.

The spelling of 5647861956 in words is "five billion, six hundred forty-seven million, eight hundred sixty-one thousand, nine hundred fifty-six".