4993631817 has 8 divisors (see below), whose sum is σ = 6659222880. Its totient is φ = 3328564320.

The previous prime is 4993631801. The next prime is 4993631843. The reversal of 4993631817 is 7181363994.

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

It is not a de Polignac number, because 4993631817 - 2⁴ = 4993631801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4993631817.

It is not an unprimeable number, because it can be changed into a prime (4993631897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108067 + ... + 147192.

It is an arithmetic number, because the mean of its divisors is an integer number (832402860).

Almost surely, 2^4993631817 is an apocalyptic number.

It is an amenable number.

4993631817 is a deficient number, since it is larger than the sum of its proper divisors (1665591063).

4993631817 is a wasteful number, since it uses less digits than its factorization.

4993631817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261783.

The product of its digits is 979776, while the sum is 51.

The square root of 4993631817 is about 70665.6339177680. The cubic root of 4993631817 is about 1709.2496756040.

The spelling of 4993631817 in words is "four billion, nine hundred ninety-three million, six hundred thirty-one thousand, eight hundred seventeen".