4993404544 has 16 divisors (see below), whose sum is σ = 9947798370. Its totient is φ = 2496702208.

The previous prime is 4993404539. The next prime is 4993404553. The reversal of 4993404544 is 4454043994.

It can be written as a sum of positive squares in only one way, i.e., 4860878400 + 132526144 = 69720^2 + 11512^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4993404494 and 4993404503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19505359 + ... + 19505614.

Almost surely, 2^4993404544 is an apocalyptic number.

It is an amenable number.

4993404544 is a deficient number, since it is larger than the sum of its proper divisors (4954393826).

4993404544 is an equidigital number, since it uses as much as digits as its factorization.

4993404544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39010987 (or 39010975 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 4993404544 is about 70664.0258122901. The cubic root of 4993404544 is about 1709.2237444307.

It can be divided in two parts, 499 and 3404544, that added together give a palindrome (3405043).

The spelling of 4993404544 in words is "four billion, nine hundred ninety-three million, four hundred four thousand, five hundred forty-four".