6397043782903 has 2 divisors, whose sum is σ = 6397043782904. Its totient is φ = 6397043782902.

The previous prime is 6397043782897. The next prime is 6397043782931. The reversal of 6397043782903 is 3092873407936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6397043782903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397043782933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198521891451 + 3198521891452.

It is an arithmetic number, because the mean of its divisors is an integer number (3198521891452).

Almost surely, 2^{6397043782903} is an apocalyptic number.

6397043782903 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397043782903 is an equidigital number, since it uses as much as digits as its factorization.

6397043782903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 61.

The spelling of 6397043782903 in words is "six trillion, three hundred ninety-seven billion, forty-three million, seven hundred eighty-two thousand, nine hundred three".