463999547438 has 32 divisors (see below), whose sum is σ = 815884893120. Its totient is φ = 193802492160.

The previous prime is 463999547411. The next prime is 463999547449. The reversal of 463999547438 is 834745999364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399231 + ... + 2585402.

It is an arithmetic number, because the mean of its divisors is an integer number (25496402910).

Almost surely, 2^463999547438 is an apocalyptic number.

463999547438 is a deficient number, since it is larger than the sum of its proper divisors (351885345682).

463999547438 is a wasteful number, since it uses less digits than its factorization.

463999547438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984812.

The product of its digits is 705438720, while the sum is 71.

The spelling of 463999547438 in words is "four hundred sixty-three billion, nine hundred ninety-nine million, five hundred forty-seven thousand, four hundred thirty-eight".