439679699 has 2 divisors, whose sum is σ = 439679700. Its totient is φ = 439679698.

The previous prime is 439679663. The next prime is 439679761. The reversal of 439679699 is 996976934.

It is an a-pointer prime, because the next prime (439679761) can be obtained adding 439679699 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439679699 - 2¹² = 439675603 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (439679659) 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, 219839849 + 219839850.

It is an arithmetic number, because the mean of its divisors is an integer number (219839850).

Almost surely, 2^439679699 is an apocalyptic number.

439679699 is a deficient number, since it is larger than the sum of its proper divisors (1).

439679699 is an equidigital number, since it uses as much as digits as its factorization.

439679699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 62.

The square root of 439679699 is about 20968.5406979122. The cubic root of 439679699 is about 760.4058883390.

The spelling of 439679699 in words is "four hundred thirty-nine million, six hundred seventy-nine thousand, six hundred ninety-nine".