3194247493 has 4 divisors (see below), whose sum is σ = 3246612268. Its totient is φ = 3141882720.

The previous prime is 3194247479. The next prime is 3194247509. The reversal of 3194247493 is 3947424913.

3194247493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3947424913 = 59 ⋅66905507.

It can be written as a sum of positive squares in 2 ways, for example, as 1123724484 + 2070523009 = 33522^2 + 45503^2 .

It is a cyclic number.

It is not a de Polignac number, because 3194247493 - 2⁹ = 3194246981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3194247403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26182296 + ... + 26182417.

It is an arithmetic number, because the mean of its divisors is an integer number (811653067).

Almost surely, 2^3194247493 is an apocalyptic number.

It is an amenable number.

3194247493 is a deficient number, since it is larger than the sum of its proper divisors (52364775).

3194247493 is an equidigital number, since it uses as much as digits as its factorization.

3194247493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52364774.

The product of its digits is 653184, while the sum is 46.

The square root of 3194247493 is about 56517.6741648133. The cubic root of 3194247493 is about 1472.7290524315.

The spelling of 3194247493 in words is "three billion, one hundred ninety-four million, two hundred forty-seven thousand, four hundred ninety-three".