4645636441 has 4 divisors (see below), whose sum is σ = 4689053712. Its totient is φ = 4602219172.

The previous prime is 4645636433. The next prime is 4645636447. The reversal of 4645636441 is 1446365464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4645636441 - 2³ = 4645636433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645636447) 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, 21708475 + ... + 21708688.

It is an arithmetic number, because the mean of its divisors is an integer number (1172263428).

Almost surely, 2^4645636441 is an apocalyptic number.

It is an amenable number.

4645636441 is a deficient number, since it is larger than the sum of its proper divisors (43417271).

4645636441 is a wasteful number, since it uses less digits than its factorization.

4645636441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43417270.

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

The square root of 4645636441 is about 68158.9058084122. The cubic root of 4645636441 is about 1668.5852745499.

The spelling of 4645636441 in words is "four billion, six hundred forty-five million, six hundred thirty-six thousand, four hundred forty-one".