43196819 has 2 divisors, whose sum is σ = 43196820. Its totient is φ = 43196818.

The previous prime is 43196761. The next prime is 43196833. The reversal of 43196819 is 91869134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43196819 - 2⁸ = 43196563 is a prime.

It is a super-2 number, since 2×43196819² = 3731930343437522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43196119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21598409 + 21598410.

It is an arithmetic number, because the mean of its divisors is an integer number (21598410).

Almost surely, 2^43196819 is an apocalyptic number.

43196819 is a deficient number, since it is larger than the sum of its proper divisors (1).

43196819 is an equidigital number, since it uses as much as digits as its factorization.

43196819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 43196819 is about 6572.4286987384. The cubic root of 43196819 is about 350.8735160589.

The spelling of 43196819 in words is "forty-three million, one hundred ninety-six thousand, eight hundred nineteen".