6246628321 has 2 divisors, whose sum is σ = 6246628322. Its totient is φ = 6246628320.

The previous prime is 6246628307. The next prime is 6246628357. The reversal of 6246628321 is 1238266426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4931550625 + 1315077696 = 70225^2 + 36264^2 .

It is a cyclic number.

It is not a de Polignac number, because 6246628321 - 2²⁹ = 5709757409 is a prime.

It is not a weakly prime, because it can be changed into another prime (6246628301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123314160 + 3123314161.

It is an arithmetic number, because the mean of its divisors is an integer number (3123314161).

Almost surely, 2^6246628321 is an apocalyptic number.

It is an amenable number.

6246628321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6246628321 is an equidigital number, since it uses as much as digits as its factorization.

6246628321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 6246628321 is about 79035.6142571183. The cubic root of 6246628321 is about 1841.6844531614.

The spelling of 6246628321 in words is "six billion, two hundred forty-six million, six hundred twenty-eight thousand, three hundred twenty-one".