19680034673 has 32 divisors (see below), whose sum is σ = 21992216064. Its totient is φ = 17493138432.

The previous prime is 19680034669. The next prime is 19680034679. The reversal of 19680034673 is 37643008691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19680034673 - 2² = 19680034669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19680034679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27069836 + ... + 27070562.

It is an arithmetic number, because the mean of its divisors is an integer number (687256752).

Almost surely, 2^19680034673 is an apocalyptic number.

19680034673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19680034673 is a deficient number, since it is larger than the sum of its proper divisors (2312181391).

19680034673 is a wasteful number, since it uses less digits than its factorization.

19680034673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 19680034673 in words is "nineteen billion, six hundred eighty million, thirty-four thousand, six hundred seventy-three".