463993642289 has 2 divisors, whose sum is σ = 463993642290. Its totient is φ = 463993642288.

The previous prime is 463993642199. The next prime is 463993642391. The reversal of 463993642289 is 982246399364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463363381264 + 630261025 = 680708^2 + 25105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463993642289 is a prime.

It is a super-2 number, since 2×463993642289² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (463993542289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231996821144 + 231996821145.

It is an arithmetic number, because the mean of its divisors is an integer number (231996821145).

Almost surely, 2^463993642289 is an apocalyptic number.

It is an amenable number.

463993642289 is a deficient number, since it is larger than the sum of its proper divisors (1).

463993642289 is an equidigital number, since it uses as much as digits as its factorization.

463993642289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120932352, while the sum is 65.

The spelling of 463993642289 in words is "four hundred sixty-three billion, nine hundred ninety-three million, six hundred forty-two thousand, two hundred eighty-nine".