463666447 has 2 divisors, whose sum is σ = 463666448. Its totient is φ = 463666446.

The previous prime is 463666439. The next prime is 463666451. The reversal of 463666447 is 744666364.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 463666447 - 2³ = 463666439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 463666397 and 463666406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463666477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231833223 + 231833224.

It is an arithmetic number, because the mean of its divisors is an integer number (231833224).

Almost surely, 2^463666447 is an apocalyptic number.

463666447 is a deficient number, since it is larger than the sum of its proper divisors (1).

463666447 is an equidigital number, since it uses as much as digits as its factorization.

463666447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 46.

The square root of 463666447 is about 21532.9154319614. The cubic root of 463666447 is about 773.9897746737.

The spelling of 463666447 in words is "four hundred sixty-three million, six hundred sixty-six thousand, four hundred forty-seven".