3311942729 has 2 divisors, whose sum is σ = 3311942730. Its totient is φ = 3311942728.

The previous prime is 3311942717. The next prime is 3311942743. The reversal of 3311942729 is 9272491133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2580132025 + 731810704 = 50795^2 + 27052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3311942729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3311942429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655971364 + 1655971365.

It is an arithmetic number, because the mean of its divisors is an integer number (1655971365).

Almost surely, 2^3311942729 is an apocalyptic number.

It is an amenable number.

3311942729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311942729 is an equidigital number, since it uses as much as digits as its factorization.

3311942729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 3311942729 is about 57549.4807013930. The cubic root of 3311942729 is about 1490.5993908458.

The spelling of 3311942729 in words is "three billion, three hundred eleven million, nine hundred forty-two thousand, seven hundred twenty-nine".