447863116291 has 2 divisors, whose sum is σ = 447863116292. Its totient is φ = 447863116290.

The previous prime is 447863116289. The next prime is 447863116391. The reversal of 447863116291 is 192611368744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447863116291 - 2¹ = 447863116289 is a prime.

Together with 447863116289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (447863116391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223931558145 + 223931558146.

It is an arithmetic number, because the mean of its divisors is an integer number (223931558146).

Almost surely, 2^447863116291 is an apocalyptic number.

447863116291 is a deficient number, since it is larger than the sum of its proper divisors (1).

447863116291 is an equidigital number, since it uses as much as digits as its factorization.

447863116291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The spelling of 447863116291 in words is "four hundred forty-seven billion, eight hundred sixty-three million, one hundred sixteen thousand, two hundred ninety-one".