196377619 has 2 divisors, whose sum is σ = 196377620. Its totient is φ = 196377618.

The previous prime is 196377613. The next prime is 196377661. The reversal of 196377619 is 916773691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196377619 - 2⁹ = 196377107 is a prime.

It is a super-2 number, since 2×196377619² = 77128338488218322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196377613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98188809 + 98188810.

It is an arithmetic number, because the mean of its divisors is an integer number (98188810).

Almost surely, 2^196377619 is an apocalyptic number.

196377619 is a deficient number, since it is larger than the sum of its proper divisors (1).

196377619 is an equidigital number, since it uses as much as digits as its factorization.

196377619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 196377619 is about 14013.4799032931. The cubic root of 196377619 is about 581.2513795936.

The spelling of 196377619 in words is "one hundred ninety-six million, three hundred seventy-seven thousand, six hundred nineteen".