463661897 has 2 divisors, whose sum is σ = 463661898. Its totient is φ = 463661896.

The previous prime is 463661881. The next prime is 463661903. The reversal of 463661897 is 798166364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362940601 + 100721296 = 19051^2 + 10036^2 .

It is a cyclic number.

It is not a de Polignac number, because 463661897 - 2⁴ = 463661881 is a prime.

It is not a weakly prime, because it can be changed into another prime (463661857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231830948 + 231830949.

It is an arithmetic number, because the mean of its divisors is an integer number (231830949).

Almost surely, 2^463661897 is an apocalyptic number.

It is an amenable number.

463661897 is a deficient number, since it is larger than the sum of its proper divisors (1).

463661897 is an equidigital number, since it uses as much as digits as its factorization.

463661897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 463661897 is about 21532.8097794970. The cubic root of 463661897 is about 773.9872429219.

The spelling of 463661897 in words is "four hundred sixty-three million, six hundred sixty-one thousand, eight hundred ninety-seven".