3420865039 has 2 divisors, whose sum is σ = 3420865040. Its totient is φ = 3420865038.

The previous prime is 3420865033. The next prime is 3420865079. The reversal of 3420865039 is 9305680243.

3420865039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3420865079) can be obtained adding 3420865039 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420865039 - 2¹⁵ = 3420832271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420864992 and 3420865010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420865033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710432519 + 1710432520.

It is an arithmetic number, because the mean of its divisors is an integer number (1710432520).

Almost surely, 2^3420865039 is an apocalyptic number.

3420865039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420865039 is an equidigital number, since it uses as much as digits as its factorization.

3420865039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3420865039 is about 58488.1615286376. The cubic root of 3420865039 is about 1506.7642711642.

The spelling of 3420865039 in words is "three billion, four hundred twenty million, eight hundred sixty-five thousand, thirty-nine".