19672073937 has 32 divisors (see below), whose sum is σ = 29624515200. Its totient is φ = 12899791296.

The previous prime is 19672073929. The next prime is 19672073963. The reversal of 19672073937 is 73937027691.

It is a happy number.

It is not a de Polignac number, because 19672073937 - 2³ = 19672073929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19672073917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494023 + ... + 532355.

It is an arithmetic number, because the mean of its divisors is an integer number (925766100).

Almost surely, 2^19672073937 is an apocalyptic number.

It is an amenable number.

19672073937 is a deficient number, since it is larger than the sum of its proper divisors (9952441263).

19672073937 is a wasteful number, since it uses less digits than its factorization.

19672073937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38654 (or 38648 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The spelling of 19672073937 in words is "nineteen billion, six hundred seventy-two million, seventy-three thousand, nine hundred thirty-seven".