463187645 has 8 divisors (see below), whose sum is σ = 570847704. Its totient is φ = 360535104.

The previous prime is 463187633. The next prime is 463187653. The reversal of 463187645 is 546781364.

It can be written as a sum of positive squares in 4 ways, for example, as 53772889 + 409414756 = 7333^2 + 20234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 463187645 - 2⁴ = 463187629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 463187596 and 463187605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251674 + ... + 1252043.

It is an arithmetic number, because the mean of its divisors is an integer number (71355963).

Almost surely, 2^463187645 is an apocalyptic number.

It is an amenable number.

463187645 is a deficient number, since it is larger than the sum of its proper divisors (107660059).

463187645 is a wasteful number, since it uses less digits than its factorization.

463187645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503759.

The product of its digits is 483840, while the sum is 44.

The square root of 463187645 is about 21521.7946510044. The cubic root of 463187645 is about 773.7232644921.

The spelling of 463187645 in words is "four hundred sixty-three million, one hundred eighty-seven thousand, six hundred forty-five".