3085742939 has 2 divisors, whose sum is σ = 3085742940. Its totient is φ = 3085742938.

The previous prime is 3085742929. The next prime is 3085742963. The reversal of 3085742939 is 9392475803.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9392475803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3085742939 - 2⁸ = 3085742683 is a prime.

It is not a weakly prime, because it can be changed into another prime (3085742929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542871469 + 1542871470.

It is an arithmetic number, because the mean of its divisors is an integer number (1542871470).

Almost surely, 2^3085742939 is an apocalyptic number.

3085742939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085742939 is an equidigital number, since it uses as much as digits as its factorization.

3085742939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 3085742939 is about 55549.4638948028. The cubic root of 3085742939 is about 1455.8610081654.

The spelling of 3085742939 in words is "three billion, eighty-five million, seven hundred forty-two thousand, nine hundred thirty-nine".