19124114897 has 4 divisors (see below), whose sum is σ = 20130647280. Its totient is φ = 18117582516.

The previous prime is 19124114887. The next prime is 19124114899. The reversal of 19124114897 is 79841142191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79841142191 = 62591 ⋅1275601.

It is a cyclic number.

It is not a de Polignac number, because 19124114897 - 2²⁰ = 19123066321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19124114899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503266163 + ... + 503266200.

It is an arithmetic number, because the mean of its divisors is an integer number (5032661820).

Almost surely, 2^19124114897 is an apocalyptic number.

It is an amenable number.

19124114897 is a deficient number, since it is larger than the sum of its proper divisors (1006532383).

19124114897 is a wasteful number, since it uses less digits than its factorization.

19124114897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006532382.

The product of its digits is 145152, while the sum is 47.

The spelling of 19124114897 in words is "nineteen billion, one hundred twenty-four million, one hundred fourteen thousand, eight hundred ninety-seven".