6246406091 has 2 divisors, whose sum is σ = 6246406092. Its totient is φ = 6246406090.

The previous prime is 6246406069. The next prime is 6246406093. The reversal of 6246406091 is 1906046426.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6246406091 is a prime.

Together with 6246406093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6246406093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123203045 + 3123203046.

It is an arithmetic number, because the mean of its divisors is an integer number (3123203046).

Almost surely, 2^6246406091 is an apocalyptic number.

6246406091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6246406091 is an equidigital number, since it uses as much as digits as its factorization.

6246406091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6246406091 is about 79034.2083594186. The cubic root of 6246406091 is about 1841.6626129852.

The spelling of 6246406091 in words is "six billion, two hundred forty-six million, four hundred six thousand, ninety-one".