463447971 has 24 divisors (see below), whose sum is σ = 765623040. Its totient is φ = 264631536.

The previous prime is 463447921. The next prime is 463447979. The reversal of 463447971 is 179744364.

463447971 is a `hidden beast` number, since 4 + 634 + 4 + 7 + 9 + 7 + 1 = 666.

It is not a de Polignac number, because 463447971 - 2¹⁵ = 463415203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (463447979) 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 in 23 ways as a sum of consecutive naturals, for example, 156220 + ... + 159158.

It is an arithmetic number, because the mean of its divisors is an integer number (31900960).

Almost surely, 2^463447971 is an apocalyptic number.

463447971 is a deficient number, since it is larger than the sum of its proper divisors (302175069).

463447971 is a wasteful number, since it uses less digits than its factorization.

463447971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455 (or 5452 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 463447971 is about 21527.8417636325. The cubic root of 463447971 is about 773.8681896008.

The spelling of 463447971 in words is "four hundred sixty-three million, four hundred forty-seven thousand, nine hundred seventy-one".