463235201638 has 32 divisors (see below), whose sum is σ = 775721422080. Its totient is φ = 205645644960.

The previous prime is 463235201629. The next prime is 463235201641. The reversal of 463235201638 is 836102532364.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 463235201594 and 463235201603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16814631 + ... + 16842157.

It is an arithmetic number, because the mean of its divisors is an integer number (24241294440).

Almost surely, 2^463235201638 is an apocalyptic number.

463235201638 is a deficient number, since it is larger than the sum of its proper divisors (312486220442).

463235201638 is a wasteful number, since it uses less digits than its factorization.

463235201638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45372.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 463235201638 in words is "four hundred sixty-three billion, two hundred thirty-five million, two hundred one thousand, six hundred thirty-eight".