6486421093 has 2 divisors, whose sum is σ = 6486421094. Its totient is φ = 6486421092.

The previous prime is 6486421079. The next prime is 6486421103. The reversal of 6486421093 is 3901246846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3653839809 + 2832581284 = 60447^2 + 53222^2 .

It is a cyclic number.

It is not a de Polignac number, because 6486421093 - 2⁹ = 6486420581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6486421003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243210546 + 3243210547.

It is an arithmetic number, because the mean of its divisors is an integer number (3243210547).

Almost surely, 2^6486421093 is an apocalyptic number.

It is an amenable number.

6486421093 is a deficient number, since it is larger than the sum of its proper divisors (1).

6486421093 is an equidigital number, since it uses as much as digits as its factorization.

6486421093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 6486421093 is about 80538.3206492413. The cubic root of 6486421093 is about 1864.9550974725.

The spelling of 6486421093 in words is "six billion, four hundred eighty-six million, four hundred twenty-one thousand, ninety-three".