19396879009 has 8 divisors (see below), whose sum is σ = 19677556800. Its totient is φ = 19116409200.

The previous prime is 19396878989. The next prime is 19396879027. The reversal of 19396879009 is 90097869391.

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

It is not a de Polignac number, because 19396879009 - 2⁹ = 19396878497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19396879039) 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, 141019 + ... + 242239.

It is an arithmetic number, because the mean of its divisors is an integer number (2459694600).

Almost surely, 2^19396879009 is an apocalyptic number.

It is an amenable number.

19396879009 is a deficient number, since it is larger than the sum of its proper divisors (280677791).

19396879009 is a wasteful number, since it uses less digits than its factorization.

19396879009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103991.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 19396879009 in words is "nineteen billion, three hundred ninety-six million, eight hundred seventy-nine thousand, nine".