6246405943 has 2 divisors, whose sum is σ = 6246405944. Its totient is φ = 6246405942.

The previous prime is 6246405899. The next prime is 6246406003. The reversal of 6246405943 is 3495046426.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6246405943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6246405943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6246405043) 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, 3123202971 + 3123202972.

It is an arithmetic number, because the mean of its divisors is an integer number (3123202972).

Almost surely, 2^6246405943 is an apocalyptic number.

6246405943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6246405943 is an equidigital number, since it uses as much as digits as its factorization.

6246405943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 6246405943 is about 79034.2074231152. The cubic root of 6246405943 is about 1841.6625984399.

The spelling of 6246405943 in words is "six billion, two hundred forty-six million, four hundred five thousand, nine hundred forty-three".