299230821396 has 36 divisors (see below), whose sum is σ = 814572792852. Its totient is φ = 92071021824.

The previous prime is 299230821347. The next prime is 299230821403. The reversal of 299230821396 is 693128032992.

299230821396 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 174364704900 + 124866116496 = 417570^2 + 353364^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319690581 + ... + 319691516.

Almost surely, 2^299230821396 is an apocalyptic number.

299230821396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

299230821396 is an abundant number, since it is smaller than the sum of its proper divisors (515341971456).

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

299230821396 is a wasteful number, since it uses less digits than its factorization.

299230821396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639382120 (or 639382115 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 299230821396 in words is "two hundred ninety-nine billion, two hundred thirty million, eight hundred twenty-one thousand, three hundred ninety-six".