4644244493 has 8 divisors (see below), whose sum is σ = 5310041088. Its totient is φ = 3979031184.

The previous prime is 4644244487. The next prime is 4644244543. The reversal of 4644244493 is 3944424464.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4644244493 - 2¹² = 4644240397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644244453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128621 + ... + 160722.

It is an arithmetic number, because the mean of its divisors is an integer number (663755136).

Almost surely, 2^4644244493 is an apocalyptic number.

It is an amenable number.

4644244493 is a deficient number, since it is larger than the sum of its proper divisors (665796595).

4644244493 is a wasteful number, since it uses less digits than its factorization.

4644244493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291643.

The product of its digits is 1327104, while the sum is 44.

The square root of 4644244493 is about 68148.6939933554. The cubic root of 4644244493 is about 1668.4186080467.

The spelling of 4644244493 in words is "four billion, six hundred forty-four million, two hundred forty-four thousand, four hundred ninety-three".