4644623902 has 16 divisors (see below), whose sum is σ = 7011961632. Its totient is φ = 2307352320.

The previous prime is 4644623899. The next prime is 4644623909. The reversal of 4644623902 is 2093264464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644623909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182758 + ... + 206614.

It is an arithmetic number, because the mean of its divisors is an integer number (438247602).

Almost surely, 2^4644623902 is an apocalyptic number.

4644623902 is a deficient number, since it is larger than the sum of its proper divisors (2367337730).

4644623902 is a wasteful number, since it uses less digits than its factorization.

4644623902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 4644623902 is about 68151.4776215454. The cubic root of 4644623902 is about 1668.4640403231.

The spelling of 4644623902 in words is "four billion, six hundred forty-four million, six hundred twenty-three thousand, nine hundred two".