849624694847 has 2 divisors, whose sum is σ = 849624694848. Its totient is φ = 849624694846.

The previous prime is 849624694843. The next prime is 849624694861. The reversal of 849624694847 is 748496426948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849624694847 - 2² = 849624694843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849624694843) 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, 424812347423 + 424812347424.

It is an arithmetic number, because the mean of its divisors is an integer number (424812347424).

Almost surely, 2^849624694847 is an apocalyptic number.

849624694847 is a deficient number, since it is larger than the sum of its proper divisors (1).

849624694847 is an equidigital number, since it uses as much as digits as its factorization.

849624694847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 668860416, while the sum is 71.

The spelling of 849624694847 in words is "eight hundred forty-nine billion, six hundred twenty-four million, six hundred ninety-four thousand, eight hundred forty-seven".