19671346012 has 6 divisors (see below), whose sum is σ = 34424855528. Its totient is φ = 9835673004.

The previous prime is 19671346003. The next prime is 19671346021. The reversal of 19671346012 is 21064317691.

It is an interprime number because it is at equal distance from previous prime (19671346003) and next prime (19671346021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458918248 + ... + 2458918255.

Almost surely, 2^19671346012 is an apocalyptic number.

It is an amenable number.

19671346012 is a deficient number, since it is larger than the sum of its proper divisors (14753509516).

19671346012 is a wasteful number, since it uses less digits than its factorization.

19671346012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917836507 (or 4917836505 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 19671346012 in words is "nineteen billion, six hundred seventy-one million, three hundred forty-six thousand, twelve".