463631878441 has 4 divisors (see below), whose sum is σ = 466702288384. Its totient is φ = 460561468500.

The previous prime is 463631878393. The next prime is 463631878511. The reversal of 463631878441 is 144878136364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 463631878441 - 2¹⁵ = 463631845673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463661878441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535204745 + ... + 1535205046.

It is an arithmetic number, because the mean of its divisors is an integer number (116675572096).

Almost surely, 2^463631878441 is an apocalyptic number.

It is an amenable number.

463631878441 is a deficient number, since it is larger than the sum of its proper divisors (3070409943).

463631878441 is a wasteful number, since it uses less digits than its factorization.

463631878441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070409942.

The product of its digits is 9289728, while the sum is 55.

The spelling of 463631878441 in words is "four hundred sixty-three billion, six hundred thirty-one million, eight hundred seventy-eight thousand, four hundred forty-one".