4195386493 has 2 divisors, whose sum is σ = 4195386494. Its totient is φ = 4195386492.

The previous prime is 4195386491. The next prime is 4195386509. The reversal of 4195386493 is 3946835914.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3956158404 + 239228089 = 62898^2 + 15467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195386493 - 2¹ = 4195386491 is a prime.

Together with 4195386491, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4195386493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4195386491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097693246 + 2097693247.

It is an arithmetic number, because the mean of its divisors is an integer number (2097693247).

Almost surely, 2^4195386493 is an apocalyptic number.

It is an amenable number.

4195386493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4195386493 is an equidigital number, since it uses as much as digits as its factorization.

4195386493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The square root of 4195386493 is about 64771.8032248601. The cubic root of 4195386493 is about 1612.8376705096.

The spelling of 4195386493 in words is "four billion, one hundred ninety-five million, three hundred eighty-six thousand, four hundred ninety-three".