4644490291 has 16 divisors (see below), whose sum is σ = 5443478208. Its totient is φ = 3879590400.

The previous prime is 4644490229. The next prime is 4644490297. The reversal of 4644490291 is 1920944464.

It is not a de Polignac number, because 4644490291 - 2¹⁷ = 4644359219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4644490297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265021 + ... + 282001.

It is an arithmetic number, because the mean of its divisors is an integer number (340217388).

Almost surely, 2^4644490291 is an apocalyptic number.

4644490291 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4644490291 is a deficient number, since it is larger than the sum of its proper divisors (798987917).

4644490291 is a wasteful number, since it uses less digits than its factorization.

4644490291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17982.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 4644490291 is about 68150.4973642893. The cubic root of 4644490291 is about 1668.4480413753.

The spelling of 4644490291 in words is "four billion, six hundred forty-four million, four hundred ninety thousand, two hundred ninety-one".