4640544347 has 4 divisors (see below), whose sum is σ = 4649661840. Its totient is φ = 4631426856.

The previous prime is 4640544343. The next prime is 4640544371. The reversal of 4640544347 is 7434450464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4640544347 - 2² = 4640544343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640544341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557983 + ... + 4559000.

It is an arithmetic number, because the mean of its divisors is an integer number (1162415460).

Almost surely, 2^4640544347 is an apocalyptic number.

4640544347 is a deficient number, since it is larger than the sum of its proper divisors (9117493).

4640544347 is an equidigital number, since it uses as much as digits as its factorization.

4640544347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117492.

The product of its (nonzero) digits is 645120, while the sum is 41.

The square root of 4640544347 is about 68121.5409910845. The cubic root of 4640544347 is about 1667.9754048048.

The spelling of 4640544347 in words is "four billion, six hundred forty million, five hundred forty-four thousand, three hundred forty-seven".