196204919 has 2 divisors, whose sum is σ = 196204920. Its totient is φ = 196204918.

The previous prime is 196204903. The next prime is 196204933. The reversal of 196204919 is 919402691.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196204919 - 2⁴ = 196204903 is a prime.

It is a super-2 number, since 2×196204919² = 76992740479593122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196204979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98102459 + 98102460.

It is an arithmetic number, because the mean of its divisors is an integer number (98102460).

Almost surely, 2^196204919 is an apocalyptic number.

196204919 is a deficient number, since it is larger than the sum of its proper divisors (1).

196204919 is an equidigital number, since it uses as much as digits as its factorization.

196204919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 196204919 is about 14007.3166238220. The cubic root of 196204919 is about 581.0809400183.

The spelling of 196204919 in words is "one hundred ninety-six million, two hundred four thousand, nine hundred nineteen".