3442646939 has 2 divisors, whose sum is σ = 3442646940. Its totient is φ = 3442646938.

The previous prime is 3442646903. The next prime is 3442646941. The reversal of 3442646939 is 9396462443.

It is a strong prime.

It is an emirp because it is prime and its reverse (9396462443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3442646939 is a prime.

Together with 3442646941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3442642939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721323469 + 1721323470.

It is an arithmetic number, because the mean of its divisors is an integer number (1721323470).

Almost surely, 2^3442646939 is an apocalyptic number.

3442646939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442646939 is an equidigital number, since it uses as much as digits as its factorization.

3442646939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 50.

The square root of 3442646939 is about 58674.0738231120. The cubic root of 3442646939 is about 1509.9555472784.

The spelling of 3442646939 in words is "three billion, four hundred forty-two million, six hundred forty-six thousand, nine hundred thirty-nine".