4645641634 has 8 divisors (see below), whose sum is σ = 7156799388. Its totient is φ = 2260041840.

The previous prime is 4645641613. The next prime is 4645641673. The reversal of 4645641634 is 4361465464.

It can be written as a sum of positive squares in 2 ways, for example, as 4558275225 + 87366409 = 67515^2 + 9347^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31389397 + ... + 31389544.

Almost surely, 2^4645641634 is an apocalyptic number.

4645641634 is a deficient number, since it is larger than the sum of its proper divisors (2511157754).

4645641634 is a wasteful number, since it uses less digits than its factorization.

4645641634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62778980.

The product of its digits is 829440, while the sum is 43.

The square root of 4645641634 is about 68158.9439032032. The cubic root of 4645641634 is about 1668.5858962774.

The spelling of 4645641634 in words is "four billion, six hundred forty-five million, six hundred forty-one thousand, six hundred thirty-four".