6319420128819 has 36 divisors (see below), whose sum is σ = 10619755347240. Its totient is φ = 3610617716160.

The previous prime is 6319420128817. The next prime is 6319420128863. The reversal of 6319420128819 is 9188210249136.

It is a happy number.

6319420128819 is a `hidden beast` number, since 6 + 3 + 19 + 420 + 128 + 81 + 9 = 666.

It is not a de Polignac number, because 6319420128819 - 2¹ = 6319420128817 is a prime.

It is a super-2 number, since 2×6319420128819² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6319420128817) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2386792 + ... + 4282010.

It is an arithmetic number, because the mean of its divisors is an integer number (294993204090).

Almost surely, 2^{6319420128819} is an apocalyptic number.

6319420128819 is a deficient number, since it is larger than the sum of its proper divisors (4300335218421).

6319420128819 is a wasteful number, since it uses less digits than its factorization.

6319420128819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902800 (or 1902790 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 6319420128819 in words is "six trillion, three hundred nineteen billion, four hundred twenty million, one hundred twenty-eight thousand, eight hundred nineteen".