969439799 has 2 divisors, whose sum is σ = 969439800. Its totient is φ = 969439798.

The previous prime is 969439789. The next prime is 969439819. The reversal of 969439799 is 997934969.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969439799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969439789) 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, 484719899 + 484719900.

It is an arithmetic number, because the mean of its divisors is an integer number (484719900).

Almost surely, 2^969439799 is an apocalyptic number.

969439799 is a deficient number, since it is larger than the sum of its proper divisors (1).

969439799 is an equidigital number, since it uses as much as digits as its factorization.

969439799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29760696, while the sum is 65.

The square root of 969439799 is about 31135.8282208776. The cubic root of 969439799 is about 989.7076982850.

The spelling of 969439799 in words is "nine hundred sixty-nine million, four hundred thirty-nine thousand, seven hundred ninety-nine".