6243304620389 has 2 divisors, whose sum is σ = 6243304620390. Its totient is φ = 6243304620388.

The previous prime is 6243304620383. The next prime is 6243304620407. The reversal of 6243304620389 is 9830264033426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4750839248164 + 1492465372225 = 2179642^2 + 1221665^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243304620389 - 2⁴ = 6243304620373 is a prime.

It is a super-2 number, since 2×6243304620389² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6243304620383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121652310194 + 3121652310195.

It is an arithmetic number, because the mean of its divisors is an integer number (3121652310195).

Almost surely, 2^{6243304620389} is an apocalyptic number.

It is an amenable number.

6243304620389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243304620389 is an equidigital number, since it uses as much as digits as its factorization.

6243304620389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 6243304620389 in words is "six trillion, two hundred forty-three billion, three hundred four million, six hundred twenty thousand, three hundred eighty-nine".