841291398047 has 2 divisors, whose sum is σ = 841291398048. Its totient is φ = 841291398046.

The previous prime is 841291398001. The next prime is 841291398097. The reversal of 841291398047 is 740893192148.

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-841291398047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 841291397983 and 841291398001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841291398097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420645699023 + 420645699024.

It is an arithmetic number, because the mean of its divisors is an integer number (420645699024).

Almost surely, 2^841291398047 is an apocalyptic number.

841291398047 is a deficient number, since it is larger than the sum of its proper divisors (1).

841291398047 is an equidigital number, since it uses as much as digits as its factorization.

841291398047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 841291398047 in words is "eight hundred forty-one billion, two hundred ninety-one million, three hundred ninety-eight thousand, forty-seven".