447694811 has 2 divisors, whose sum is σ = 447694812. Its totient is φ = 447694810.

The previous prime is 447694781. The next prime is 447694823. The reversal of 447694811 is 118496744.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447694811 - 2¹⁰ = 447693787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (447694861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223847405 + 223847406.

It is an arithmetic number, because the mean of its divisors is an integer number (223847406).

Almost surely, 2^447694811 is an apocalyptic number.

447694811 is a deficient number, since it is larger than the sum of its proper divisors (1).

447694811 is an equidigital number, since it uses as much as digits as its factorization.

447694811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 447694811 is about 21158.7998478175. The cubic root of 447694811 is about 764.9986819861.

The spelling of 447694811 in words is "four hundred forty-seven million, six hundred ninety-four thousand, eight hundred eleven".