3420726019 has 2 divisors, whose sum is σ = 3420726020. Its totient is φ = 3420726018.

The previous prime is 3420726007. The next prime is 3420726079. The reversal of 3420726019 is 9106270243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420726019 - 2²⁵ = 3387171587 is a prime.

It is a super-2 number, since 2×3420726019² = 23402732994127176722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3420726079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710363009 + 1710363010.

It is an arithmetic number, because the mean of its divisors is an integer number (1710363010).

Almost surely, 2^3420726019 is an apocalyptic number.

3420726019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420726019 is an equidigital number, since it uses as much as digits as its factorization.

3420726019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3420726019 is about 58486.9730709326. The cubic root of 3420726019 is about 1506.7438598351.

The spelling of 3420726019 in words is "three billion, four hundred twenty million, seven hundred twenty-six thousand, nineteen".