19396491423 has 8 divisors (see below), whose sum is σ = 25868295936. Its totient is φ = 12927840600.

The previous prime is 19396491419. The next prime is 19396491451. The reversal of 19396491423 is 32419469391.

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

It is not a de Polignac number, because 19396491423 - 2² = 19396491419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19396491623) 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, 774033 + ... + 798698.

It is an arithmetic number, because the mean of its divisors is an integer number (3233536992).

Almost surely, 2^19396491423 is an apocalyptic number.

19396491423 is a deficient number, since it is larger than the sum of its proper divisors (6471804513).

19396491423 is a wasteful number, since it uses less digits than its factorization.

19396491423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576845.

The product of its digits is 1259712, while the sum is 51.

The spelling of 19396491423 in words is "nineteen billion, three hundred ninety-six million, four hundred ninety-one thousand, four hundred twenty-three".