4493642813 has 8 divisors (see below), whose sum is σ = 4950693216. Its totient is φ = 4044682000.

The previous prime is 4493642801. The next prime is 4493642939. The reversal of 4493642813 is 3182463944.

4493642813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4493642813 - 2¹² = 4493638717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493648813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021231 + ... + 2023452.

It is an arithmetic number, because the mean of its divisors is an integer number (618836652).

Almost surely, 2^4493642813 is an apocalyptic number.

It is an amenable number.

4493642813 is a deficient number, since it is larger than the sum of its proper divisors (457050403).

4493642813 is a wasteful number, since it uses less digits than its factorization.

4493642813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044795.

The product of its digits is 497664, while the sum is 44.

The square root of 4493642813 is about 67034.6389040770. The cubic root of 4493642813 is about 1650.1858147639.

The spelling of 4493642813 in words is "four billion, four hundred ninety-three million, six hundred forty-two thousand, eight hundred thirteen".