6442183493 has 2 divisors, whose sum is σ = 6442183494. Its totient is φ = 6442183492.

The previous prime is 6442183427. The next prime is 6442183499. The reversal of 6442183493 is 3943812446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3999550564 + 2442632929 = 63242^2 + 49423^2 .

It is a cyclic number.

It is not a de Polignac number, because 6442183493 - 2¹² = 6442179397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6442183499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221091746 + 3221091747.

It is an arithmetic number, because the mean of its divisors is an integer number (3221091747).

Almost surely, 2^6442183493 is an apocalyptic number.

It is an amenable number.

6442183493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442183493 is an equidigital number, since it uses as much as digits as its factorization.

6442183493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The square root of 6442183493 is about 80263.2138217752. The cubic root of 6442183493 is about 1860.7057379889.

The spelling of 6442183493 in words is "six billion, four hundred forty-two million, one hundred eighty-three thousand, four hundred ninety-three".