463181364 has 18 divisors (see below), whose sum is σ = 1170819650. Its totient is φ = 154393776.

The previous prime is 463181321. The next prime is 463181393.

It is a happy number.

463181364 is a `hidden beast` number, since 4 + 631 + 8 + 13 + 6 + 4 = 666.

463181364 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 462680100 + 501264 = 21510^2 + 708^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12866149 = 463181364 / (4 + 6 + 3 + 1 + 8 + 1 + 3 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6433039 + ... + 6433110.

Almost surely, 2^463181364 is an apocalyptic number.

It is an amenable number.

463181364 is an abundant number, since it is smaller than the sum of its proper divisors (707638286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

463181364 is a wasteful number, since it uses less digits than its factorization.

463181364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12866159 (or 12866154 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 463181364 is about 21521.6487286639. The cubic root of 463181364 is about 773.7197671494.

The spelling of 463181364 in words is "four hundred sixty-three million, one hundred eighty-one thousand, three hundred sixty-four".