463638505 has 16 divisors (see below), whose sum is σ = 607938048. Its totient is φ = 336640000.

The previous prime is 463638499. The next prime is 463638509. The reversal of 463638505 is 505836364.

It is not a de Polignac number, because 463638505 - 2⁷ = 463638377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463638509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28680 + ... + 41830.

It is an arithmetic number, because the mean of its divisors is an integer number (37996128).

Almost surely, 2^463638505 is an apocalyptic number.

It is an amenable number.

463638505 is a deficient number, since it is larger than the sum of its proper divisors (144299543).

463638505 is a wasteful number, since it uses less digits than its factorization.

463638505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13808.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 463638505 is about 21532.2666015448. The cubic root of 463638505 is about 773.9742266744.

The spelling of 463638505 in words is "four hundred sixty-three million, six hundred thirty-eight thousand, five hundred five".