4813523643 has 4 divisors (see below), whose sum is σ = 6418031528. Its totient is φ = 3209015760.

The previous prime is 4813523623. The next prime is 4813523677. The reversal of 4813523643 is 3463253184.

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

It is not a de Polignac number, because 4813523643 - 2¹³ = 4813515451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4813523623) 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, 802253938 + ... + 802253943.

It is an arithmetic number, because the mean of its divisors is an integer number (1604507882).

Almost surely, 2^4813523643 is an apocalyptic number.

4813523643 is a deficient number, since it is larger than the sum of its proper divisors (1604507885).

4813523643 is a wasteful number, since it uses less digits than its factorization.

4813523643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604507884.

The product of its digits is 207360, while the sum is 39.

The square root of 4813523643 is about 69379.5621418873. The cubic root of 4813523643 is about 1688.4480510033.

The spelling of 4813523643 in words is "four billion, eight hundred thirteen million, five hundred twenty-three thousand, six hundred forty-three".