639883116803 has 8 divisors (see below), whose sum is σ = 731361930240. Its totient is φ = 548421038280.

The previous prime is 639883116793. The next prime is 639883116911. The reversal of 639883116803 is 308611388936.

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 639883116803 - 2⁸ = 639883116547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (639883116203) 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, 4101683 + ... + 4254828.

It is an arithmetic number, because the mean of its divisors is an integer number (91420241280).

Almost surely, 2^639883116803 is an apocalyptic number.

639883116803 is a deficient number, since it is larger than the sum of its proper divisors (91478813437).

639883116803 is a wasteful number, since it uses less digits than its factorization.

639883116803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367457.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 639883116803 in words is "six hundred thirty-nine billion, eight hundred eighty-three million, one hundred sixteen thousand, eight hundred three".