19195008085 has 16 divisors (see below), whose sum is σ = 25376810112. Its totient is φ = 13821784000.

The previous prime is 19195008071. The next prime is 19195008101. The reversal of 19195008085 is 58080059191.

It is not a de Polignac number, because 19195008085 - 2¹¹ = 19195006037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722169 + ... + 1733278.

It is an arithmetic number, because the mean of its divisors is an integer number (1586050632).

Almost surely, 2^19195008085 is an apocalyptic number.

It is an amenable number.

19195008085 is a deficient number, since it is larger than the sum of its proper divisors (6181802027).

19195008085 is a wasteful number, since it uses less digits than its factorization.

19195008085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455564.

The product of its (nonzero) digits is 129600, while the sum is 46.

The spelling of 19195008085 in words is "nineteen billion, one hundred ninety-five million, eight thousand, eighty-five".