19628039335 has 4 divisors (see below), whose sum is σ = 23553647208. Its totient is φ = 15702431464.

The previous prime is 19628039311. The next prime is 19628039369. The reversal of 19628039335 is 53393082691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53393082691 = 13 ⋅4107160207.

It is a cyclic number.

It is not a de Polignac number, because 19628039335 - 2⁵ = 19628039303 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1962803929 + ... + 1962803938.

It is an arithmetic number, because the mean of its divisors is an integer number (5888411802).

Almost surely, 2^19628039335 is an apocalyptic number.

19628039335 is a deficient number, since it is larger than the sum of its proper divisors (3925607873).

19628039335 is an equidigital number, since it uses as much as digits as its factorization.

19628039335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925607872.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 19628039335 in words is "nineteen billion, six hundred twenty-eight million, thirty-nine thousand, three hundred thirty-five".