5646580947 has 12 divisors (see below), whose sum is σ = 9321340080. Its totient is φ = 3226617648.

The previous prime is 5646580943. The next prime is 5646580969. The reversal of 5646580947 is 7490856465.

5646580947 is a `hidden beast` number, since 56 + 4 + 6 + 580 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 5646580947 - 2² = 5646580943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5646580893 and 5646580902.

It is not an unprimeable number, because it can be changed into a prime (5646580943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44814072 + ... + 44814197.

It is an arithmetic number, because the mean of its divisors is an integer number (776778340).

Almost surely, 2^5646580947 is an apocalyptic number.

5646580947 is a deficient number, since it is larger than the sum of its proper divisors (3674759133).

5646580947 is a wasteful number, since it uses less digits than its factorization.

5646580947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89628282 (or 89628279 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 5646580947 is about 75143.7352478568. The cubic root of 5646580947 is about 1780.7181534901.

The spelling of 5646580947 in words is "five billion, six hundred forty-six million, five hundred eighty thousand, nine hundred forty-seven".