463388647 has 2 divisors, whose sum is σ = 463388648. Its totient is φ = 463388646.

The previous prime is 463388633. The next prime is 463388677. The reversal of 463388647 is 746883364.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463388647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 463388647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463388677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231694323 + 231694324.

It is an arithmetic number, because the mean of its divisors is an integer number (231694324).

Almost surely, 2^463388647 is an apocalyptic number.

463388647 is a deficient number, since it is larger than the sum of its proper divisors (1).

463388647 is an equidigital number, since it uses as much as digits as its factorization.

463388647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 49.

The square root of 463388647 is about 21526.4638758901. The cubic root of 463388647 is about 773.8351683353.

The spelling of 463388647 in words is "four hundred sixty-three million, three hundred eighty-eight thousand, six hundred forty-seven".