6319920355 has 16 divisors (see below), whose sum is σ = 8668612800. Its totient is φ = 4333012992.

The previous prime is 6319920331. The next prime is 6319920371. The reversal of 6319920355 is 5530299136.

6319920355 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-6319920355 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 430171 + ... + 444619.

It is an arithmetic number, because the mean of its divisors is an integer number (541788300).

Almost surely, 2^6319920355 is an apocalyptic number.

6319920355 is a deficient number, since it is larger than the sum of its proper divisors (2348692445).

6319920355 is a wasteful number, since it uses less digits than its factorization.

6319920355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 6319920355 is about 79497.9267339721. The cubic root of 6319920355 is about 1848.8593265332.

The spelling of 6319920355 in words is "six billion, three hundred nineteen million, nine hundred twenty thousand, three hundred fifty-five".