481423631 has 4 divisors (see below), whose sum is σ = 518456232. Its totient is φ = 444391032.

The previous prime is 481423601. The next prime is 481423633. The reversal of 481423631 is 136324184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481423631 - 2¹⁰ = 481422607 is a prime.

It is a super-2 number, since 2×481423631² = 463537424970448322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481423633) 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, 18516281 + ... + 18516306.

It is an arithmetic number, because the mean of its divisors is an integer number (129614058).

Almost surely, 2^481423631 is an apocalyptic number.

481423631 is a deficient number, since it is larger than the sum of its proper divisors (37032601).

481423631 is a wasteful number, since it uses less digits than its factorization.

481423631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37032600.

The product of its digits is 13824, while the sum is 32.

The square root of 481423631 is about 21941.3680293641. The cubic root of 481423631 is about 783.7468374036.

The spelling of 481423631 in words is "four hundred eighty-one million, four hundred twenty-three thousand, six hundred thirty-one".