5644947730 has 64 divisors (see below), whose sum is σ = 10992153600. Its totient is φ = 2080798720.

The previous prime is 5644947719. The next prime is 5644947769. The reversal of 5644947730 is 377494465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6075906 + ... + 6076834.

It is an arithmetic number, because the mean of its divisors is an integer number (171752400).

Almost surely, 2^5644947730 is an apocalyptic number.

5644947730 is a deficient number, since it is larger than the sum of its proper divisors (5347205870).

5644947730 is a wasteful number, since it uses less digits than its factorization.

5644947730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The square root of 5644947730 is about 75132.8671754246. The cubic root of 5644947730 is about 1780.5464519695.

The spelling of 5644947730 in words is "five billion, six hundred forty-four million, nine hundred forty-seven thousand, seven hundred thirty".