6620703959 has 8 divisors (see below), whose sum is σ = 6748878960. Its totient is φ = 6493392576.

The previous prime is 6620703953. The next prime is 6620703997. The reversal of 6620703959 is 9593070266.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6620703959 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 (6620703953) 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, 200414 + ... + 231099.

It is an arithmetic number, because the mean of its divisors is an integer number (843609870).

Almost surely, 2^6620703959 is an apocalyptic number.

6620703959 is a deficient number, since it is larger than the sum of its proper divisors (128175001).

6620703959 is a wasteful number, since it uses less digits than its factorization.

6620703959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431809.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 6620703959 is about 81367.7083307623. The cubic root of 6620703959 is about 1877.7368230990.

The spelling of 6620703959 in words is "six billion, six hundred twenty million, seven hundred three thousand, nine hundred fifty-nine".