4993218637 has 8 divisors (see below), whose sum is σ = 5634980640. Its totient is φ = 4382762160.

The previous prime is 4993218611. The next prime is 4993218641. The reversal of 4993218637 is 7368123994.

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 4993218637 - 2¹⁹ = 4992694349 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 (4993218037) 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, 7826043 + ... + 7826680.

It is an arithmetic number, because the mean of its divisors is an integer number (704372580).

Almost surely, 2^4993218637 is an apocalyptic number.

It is an amenable number.

4993218637 is a deficient number, since it is larger than the sum of its proper divisors (641762003).

4993218637 is a wasteful number, since it uses less digits than its factorization.

4993218637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15652763.

The product of its digits is 1959552, while the sum is 52.

The square root of 4993218637 is about 70662.7103711710. The cubic root of 4993218637 is about 1709.2025324100.

The spelling of 4993218637 in words is "four billion, nine hundred ninety-three million, two hundred eighteen thousand, six hundred thirty-seven".