196317019 has 4 divisors (see below), whose sum is σ = 196822080. Its totient is φ = 195811960.

The previous prime is 196316947. The next prime is 196317031. The reversal of 196317019 is 910713691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196317019 - 2¹⁵ = 196284251 is a prime.

It is a super-2 number, since 2×196317019² = 77080743898092722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196317119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251947 + ... + 252724.

It is an arithmetic number, because the mean of its divisors is an integer number (49205520).

Almost surely, 2^196317019 is an apocalyptic number.

196317019 is a deficient number, since it is larger than the sum of its proper divisors (505061).

196317019 is an equidigital number, since it uses as much as digits as its factorization.

196317019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505060.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 196317019 is about 14011.3175326234. The cubic root of 196317019 is about 581.1915841552.

The spelling of 196317019 in words is "one hundred ninety-six million, three hundred seventeen thousand, nineteen".