6399114228 has 72 divisors (see below), whose sum is σ = 18444528648. Its totient is φ = 1853134848.

The previous prime is 6399114223. The next prime is 6399114233. The reversal of 6399114228 is 8224119936.

6399114228 is a `hidden beast` number, since 639 + 9 + 1 + 1 + 4 + 2 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (6399114223) and next prime (6399114233).

It can be written as a sum of positive squares in 4 ways, for example, as 2245053924 + 4154060304 = 47382^2 + 64452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6399114223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394201 + ... + 410112.

It is an arithmetic number, because the mean of its divisors is an integer number (256174009).

Almost surely, 2^6399114228 is an apocalyptic number.

6399114228 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6399114228 is an abundant number, since it is smaller than the sum of its proper divisors (12045414420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6399114228 is a wasteful number, since it uses less digits than its factorization.

6399114228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804353 (or 804348 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6399114228 is about 79994.4637334360. The cubic root of 6399114228 is about 1856.5498755469.

The spelling of 6399114228 in words is "six billion, three hundred ninety-nine million, one hundred fourteen thousand, two hundred twenty-eight".