6298168321 has 9 divisors (see below), whose sum is σ = 6408035049. Its totient is φ = 6190158000.

The previous prime is 6298168319. The next prime is 6298168337. The reversal of 6298168321 is 1238618926.

The square root of 6298168321 is 79361.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5996798721 + 301369600 = 77439^2 + 17360^2 .

It is not a de Polignac number, because 6298168321 - 2¹ = 6298168319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6298168021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4840371 + ... + 4841671.

Almost surely, 2^6298168321 is an apocalyptic number.

6298168321 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6298168321 is the 79361-st square number.

6298168321 is the 39681-st centered octagonal number.

It is an amenable number.

6298168321 is a deficient number, since it is larger than the sum of its proper divisors (109866728).

6298168321 is an frugal number, since it uses more digits than its factorization.

6298168321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 1362 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The cubic root of 6298168321 is about 1846.7357407720.

The spelling of 6298168321 in words is "six billion, two hundred ninety-eight million, one hundred sixty-eight thousand, three hundred twenty-one".