993699663 has 8 divisors (see below), whose sum is σ = 1445381376. Its totient is φ = 602242200.

The previous prime is 993699643. The next prime is 993699701. The reversal of 993699663 is 366996399.

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

It is not a de Polignac number, because 993699663 - 2⁵ = 993699631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993699597 and 993699606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993699643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15056023 + ... + 15056088.

It is an arithmetic number, because the mean of its divisors is an integer number (180672672).

Almost surely, 2^993699663 is an apocalyptic number.

993699663 is a deficient number, since it is larger than the sum of its proper divisors (451681713).

993699663 is a wasteful number, since it uses less digits than its factorization.

993699663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30112125.

The product of its digits is 12754584, while the sum is 60.

The square root of 993699663 is about 31523.0021254322. The cubic root of 993699663 is about 997.8954616922.

The spelling of 993699663 in words is "nine hundred ninety-three million, six hundred ninety-nine thousand, six hundred sixty-three".