3420040517 has 2 divisors, whose sum is σ = 3420040518. Its totient is φ = 3420040516.

The previous prime is 3420040471. The next prime is 3420040529. The reversal of 3420040517 is 7150400243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3392014081 + 28026436 = 58241^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420040517 - 2²⁴ = 3403263301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420040537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710020258 + 1710020259.

It is an arithmetic number, because the mean of its divisors is an integer number (1710020259).

Almost surely, 2^3420040517 is an apocalyptic number.

It is an amenable number.

3420040517 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420040517 is an equidigital number, since it uses as much as digits as its factorization.

3420040517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 3420040517 is about 58481.1124808686. The cubic root of 3420040517 is about 1506.6432043089.

The spelling of 3420040517 in words is "three billion, four hundred twenty million, forty thousand, five hundred seventeen".