966399043 has 2 divisors, whose sum is σ = 966399044. Its totient is φ = 966399042.

The previous prime is 966399037. The next prime is 966399047. The reversal of 966399043 is 340993669.

It is a strong prime.

It is an emirp because it is prime and its reverse (340993669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966399043 - 2¹³ = 966390851 is a prime.

It is a super-2 number, since 2×966399043² = 1867854220622631698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (966399047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483199521 + 483199522.

It is an arithmetic number, because the mean of its divisors is an integer number (483199522).

Almost surely, 2^966399043 is an apocalyptic number.

966399043 is a deficient number, since it is larger than the sum of its proper divisors (1).

966399043 is an equidigital number, since it uses as much as digits as its factorization.

966399043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 966399043 is about 31086.9593720582. The cubic root of 966399043 is about 988.6718383236.

The spelling of 966399043 in words is "nine hundred sixty-six million, three hundred ninety-nine thousand, forty-three".