3319278493 has 2 divisors, whose sum is σ = 3319278494. Its totient is φ = 3319278492.

The previous prime is 3319278449. The next prime is 3319278497. The reversal of 3319278493 is 3948729133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2283597369 + 1035681124 = 47787^2 + 32182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3319278493 is a prime.

It is a super-2 number, since 2×3319278493² = 22035219428184702098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3319278497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659639246 + 1659639247.

It is an arithmetic number, because the mean of its divisors is an integer number (1659639247).

Almost surely, 2^3319278493 is an apocalyptic number.

It is an amenable number.

3319278493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3319278493 is an equidigital number, since it uses as much as digits as its factorization.

3319278493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 3319278493 is about 57613.1798549603. The cubic root of 3319278493 is about 1491.6991101475.

The spelling of 3319278493 in words is "three billion, three hundred nineteen million, two hundred seventy-eight thousand, four hundred ninety-three".