4646632405 has 4 divisors (see below), whose sum is σ = 5575958892. Its totient is φ = 3717305920.

The previous prime is 4646632399. The next prime is 4646632421. The reversal of 4646632405 is 5042366464.

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

It can be written as a sum of positive squares in 2 ways, for example, as 579509329 + 4067123076 = 24073^2 + 63774^2 .

It is not a de Polignac number, because 4646632405 - 2²⁷ = 4512414677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464663236 + ... + 464663245.

It is an arithmetic number, because the mean of its divisors is an integer number (1393989723).

Almost surely, 2^4646632405 is an apocalyptic number.

It is an amenable number.

4646632405 is a deficient number, since it is larger than the sum of its proper divisors (929326487).

4646632405 is an equidigital number, since it uses as much as digits as its factorization.

4646632405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929326486.

The product of its (nonzero) digits is 414720, while the sum is 40.

The square root of 4646632405 is about 68166.2116080980. The cubic root of 4646632405 is about 1668.7045070196.

Adding to 4646632405 its reverse (5042366464), we get a palindrome (9688998869).

The spelling of 4646632405 in words is "four billion, six hundred forty-six million, six hundred thirty-two thousand, four hundred five".