463631947 has 2 divisors, whose sum is σ = 463631948. Its totient is φ = 463631946.

The previous prime is 463631933. The next prime is 463631957. The reversal of 463631947 is 749136364.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 463631947 - 2¹⁵ = 463599179 is a prime.

It is not a weakly prime, because it can be changed into another prime (463631957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231815973 + 231815974.

It is an arithmetic number, because the mean of its divisors is an integer number (231815974).

Almost surely, 2^463631947 is an apocalyptic number.

463631947 is a deficient number, since it is larger than the sum of its proper divisors (1).

463631947 is an equidigital number, since it uses as much as digits as its factorization.

463631947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 463631947 is about 21532.1143179206. The cubic root of 463631947 is about 773.9705774615.

The spelling of 463631947 in words is "four hundred sixty-three million, six hundred thirty-one thousand, nine hundred forty-seven".