3197819413 has 2 divisors, whose sum is σ = 3197819414. Its totient is φ = 3197819412.

The previous prime is 3197819407. The next prime is 3197819447. The reversal of 3197819413 is 3149187913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2558639889 + 639179524 = 50583^2 + 25282^2 .

It is a cyclic number.

It is not a de Polignac number, because 3197819413 - 2¹⁷ = 3197688341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3197811413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598909706 + 1598909707.

It is an arithmetic number, because the mean of its divisors is an integer number (1598909707).

Almost surely, 2^3197819413 is an apocalyptic number.

It is an amenable number.

3197819413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3197819413 is an equidigital number, since it uses as much as digits as its factorization.

3197819413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 3197819413 is about 56549.2653621601. The cubic root of 3197819413 is about 1473.2778004305.

The spelling of 3197819413 in words is "three billion, one hundred ninety-seven million, eight hundred nineteen thousand, four hundred thirteen".