3366720339839 has 2 divisors, whose sum is σ = 3366720339840. Its totient is φ = 3366720339838.

The previous prime is 3366720339797. The next prime is 3366720339887. The reversal of 3366720339839 is 9389330276633.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3366720339839 - 2³² = 3362425372543 is a prime.

It is a super-2 number, since 2×3366720339839² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3366720339889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683360169919 + 1683360169920.

It is an arithmetic number, because the mean of its divisors is an integer number (1683360169920).

Almost surely, 2^{3366720339839} is an apocalyptic number.

3366720339839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3366720339839 is an equidigital number, since it uses as much as digits as its factorization.

3366720339839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79361856, while the sum is 62.

The spelling of 3366720339839 in words is "three trillion, three hundred sixty-six billion, seven hundred twenty million, three hundred thirty-nine thousand, eight hundred thirty-nine".