3420031493 has 2 divisors, whose sum is σ = 3420031494. Its totient is φ = 3420031492.

The previous prime is 3420031487. The next prime is 3420031513. The reversal of 3420031493 is 3941300243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2989136929 + 430894564 = 54673^2 + 20758^2 .

It is an emirp because it is prime and its reverse (3941300243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420031493 - 2²⁴ = 3403254277 is a prime.

It is a super-3 number, since 3×3420031493³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420031403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710015746 + 1710015747.

It is an arithmetic number, because the mean of its divisors is an integer number (1710015747).

Almost surely, 2^3420031493 is an apocalyptic number.

It is an amenable number.

3420031493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420031493 is an equidigital number, since it uses as much as digits as its factorization.

3420031493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3420031493 is about 58481.0353277026. The cubic root of 3420031493 is about 1506.6418791823.

The spelling of 3420031493 in words is "three billion, four hundred twenty million, thirty-one thousand, four hundred ninety-three".