19476850197 has 8 divisors (see below), whose sum is σ = 29679009856. Its totient is φ = 11129628672.

The previous prime is 19476850171. The next prime is 19476850223. The reversal of 19476850197 is 79105867491.

It is an interprime number because it is at equal distance from previous prime (19476850171) and next prime (19476850223).

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

It is not a de Polignac number, because 19476850197 - 2²⁶ = 19409741333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19476850117) 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, 463734508 + ... + 463734549.

It is an arithmetic number, because the mean of its divisors is an integer number (3709876232).

Almost surely, 2^19476850197 is an apocalyptic number.

It is an amenable number.

19476850197 is a deficient number, since it is larger than the sum of its proper divisors (10202159659).

19476850197 is an equidigital number, since it uses as much as digits as its factorization.

19476850197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927469067.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 19476850197 in words is "nineteen billion, four hundred seventy-six million, eight hundred fifty thousand, one hundred ninety-seven".