19346934845 has 24 divisors (see below), whose sum is σ = 27032511744. Its totient is φ = 13253810976.

The previous prime is 19346934833. The next prime is 19346934877. The reversal of 19346934845 is 54843964391.

It is not a de Polignac number, because 19346934845 - 2⁴ = 19346934829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223292 + ... + 297578.

It is an arithmetic number, because the mean of its divisors is an integer number (1126354656).

Almost surely, 2^19346934845 is an apocalyptic number.

It is an amenable number.

19346934845 is a deficient number, since it is larger than the sum of its proper divisors (7685576899).

19346934845 is a wasteful number, since it uses less digits than its factorization.

19346934845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75369 (or 75362 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 56.

The spelling of 19346934845 in words is "nineteen billion, three hundred forty-six million, nine hundred thirty-four thousand, eight hundred forty-five".