966968819 has 2 divisors, whose sum is σ = 966968820. Its totient is φ = 966968818.

The previous prime is 966968813. The next prime is 966968831. The reversal of 966968819 is 918869669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966968819 - 2⁴ = 966968803 is a prime.

It is a super-2 number, since 2×966968819² = 1870057393836509522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (966968813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483484409 + 483484410.

It is an arithmetic number, because the mean of its divisors is an integer number (483484410).

Almost surely, 2^966968819 is an apocalyptic number.

966968819 is a deficient number, since it is larger than the sum of its proper divisors (1).

966968819 is an equidigital number, since it uses as much as digits as its factorization.

966968819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 62.

The square root of 966968819 is about 31096.1222502099. The cubic root of 966968819 is about 988.8661027312.

The spelling of 966968819 in words is "nine hundred sixty-six million, nine hundred sixty-eight thousand, eight hundred nineteen".