19346967897 has 8 divisors (see below), whose sum is σ = 25803733344. Its totient is φ = 12894090528.

The previous prime is 19346967889. The next prime is 19346967907. The reversal of 19346967897 is 79876964391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19346967897 - 2³ = 19346967889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19346967877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960388 + ... + 980325.

It is an arithmetic number, because the mean of its divisors is an integer number (3225466668).

Almost surely, 2^19346967897 is an apocalyptic number.

It is an amenable number.

19346967897 is a deficient number, since it is larger than the sum of its proper divisors (6456765447).

19346967897 is a wasteful number, since it uses less digits than its factorization.

19346967897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944039.

The product of its digits is 123451776, while the sum is 69.

The spelling of 19346967897 in words is "nineteen billion, three hundred forty-six million, nine hundred sixty-seven thousand, eight hundred ninety-seven".