19289399097 has 8 divisors (see below), whose sum is σ = 26606067840. Its totient is φ = 12416164880.

The previous prime is 19289399023. The next prime is 19289399099. The reversal of 19289399097 is 79099398291.

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

It is a cyclic number.

It is not a de Polignac number, because 19289399097 - 2¹⁵ = 19289366329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19289399099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110858529 + ... + 110858702.

It is an arithmetic number, because the mean of its divisors is an integer number (3325758480).

Almost surely, 2^19289399097 is an apocalyptic number.

It is an amenable number.

19289399097 is a deficient number, since it is larger than the sum of its proper divisors (7316668743).

19289399097 is a wasteful number, since it uses less digits than its factorization.

19289399097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221717263.

The product of its (nonzero) digits is 19840464, while the sum is 66.

The spelling of 19289399097 in words is "nineteen billion, two hundred eighty-nine million, three hundred ninety-nine thousand, ninety-seven".