4644588493 has 2 divisors, whose sum is σ = 4644588494. Its totient is φ = 4644588492.

The previous prime is 4644588463. The next prime is 4644588499. The reversal of 4644588493 is 3948854464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2719309609 + 1925278884 = 52147^2 + 43878^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644588493 - 2²¹ = 4642491341 is a prime.

It is a super-2 number, since 2×4644588493² = 43144404538616022098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4644588499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322294246 + 2322294247.

It is an arithmetic number, because the mean of its divisors is an integer number (2322294247).

Almost surely, 2^4644588493 is an apocalyptic number.

It is an amenable number.

4644588493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644588493 is an equidigital number, since it uses as much as digits as its factorization.

4644588493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13271040, while the sum is 55.

The square root of 4644588493 is about 68151.2178394488. The cubic root of 4644588493 is about 1668.4598003821.

The spelling of 4644588493 in words is "four billion, six hundred forty-four million, five hundred eighty-eight thousand, four hundred ninety-three".