4634136643 has 4 divisors (see below), whose sum is σ = 4747164408. Its totient is φ = 4521108880.

The previous prime is 4634136629. The next prime is 4634136679. The reversal of 4634136643 is 3466314364.

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

It is a cyclic number.

It is not a de Polignac number, because 4634136643 - 2²¹ = 4632039491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4634136596 and 4634136605.

It is not an unprimeable number, because it can be changed into a prime (4634136443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56513821 + ... + 56513902.

It is an arithmetic number, because the mean of its divisors is an integer number (1186791102).

Almost surely, 2^4634136643 is an apocalyptic number.

4634136643 is a deficient number, since it is larger than the sum of its proper divisors (113027765).

4634136643 is a wasteful number, since it uses less digits than its factorization.

4634136643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113027764.

The product of its digits is 373248, while the sum is 40.

The square root of 4634136643 is about 68074.4933363444. The cubic root of 4634136643 is about 1667.2073328602.

The spelling of 4634136643 in words is "four billion, six hundred thirty-four million, one hundred thirty-six thousand, six hundred forty-three".