6335479893 has 4 divisors (see below), whose sum is σ = 8447306528. Its totient is φ = 4223653260.

The previous prime is 6335479877. The next prime is 6335479901. The reversal of 6335479893 is 3989745336.

It is a happy number.

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 not a de Polignac number, because 6335479893 - 2⁴ = 6335479877 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 (6335479853) 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, 1055913313 + ... + 1055913318.

It is an arithmetic number, because the mean of its divisors is an integer number (2111826632).

Almost surely, 2^6335479893 is an apocalyptic number.

It is an amenable number.

6335479893 is a deficient number, since it is larger than the sum of its proper divisors (2111826635).

6335479893 is a wasteful number, since it uses less digits than its factorization.

6335479893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111826634.

The product of its digits is 14696640, while the sum is 57.

The square root of 6335479893 is about 79595.7278564622. The cubic root of 6335479893 is about 1850.3753699477.

The spelling of 6335479893 in words is "six billion, three hundred thirty-five million, four hundred seventy-nine thousand, eight hundred ninety-three".