447667252745971 has 2 divisors, whose sum is σ = 447667252745972. Its totient is φ = 447667252745970.

The previous prime is 447667252745941. The next prime is 447667252746017. The reversal of 447667252745971 is 179547252766744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447667252745971 - 2²⁵ = 447667219191539 is a prime.

It is a super-2 number, since 2×447667252745971² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447667252745941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223833626372985 + 223833626372986.

It is an arithmetic number, because the mean of its divisors is an integer number (223833626372986).

Almost surely, 2^{447667252745971} is an apocalyptic number.

447667252745971 is a deficient number, since it is larger than the sum of its proper divisors (1).

447667252745971 is an equidigital number, since it uses as much as digits as its factorization.

447667252745971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4978713600, while the sum is 76.

The spelling of 447667252745971 in words is "four hundred forty-seven trillion, six hundred sixty-seven billion, two hundred fifty-two million, seven hundred forty-five thousand, nine hundred seventy-one".