6450338767291 has 2 divisors, whose sum is σ = 6450338767292. Its totient is φ = 6450338767290.

The previous prime is 6450338767217. The next prime is 6450338767307. The reversal of 6450338767291 is 1927678330546.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6450338767291 - 2⁷ = 6450338767163 is a prime.

It is not a weakly prime, because it can be changed into another prime (6450338767211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225169383645 + 3225169383646.

It is an arithmetic number, because the mean of its divisors is an integer number (3225169383646).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6450338767291 = 12900677534582, but 3⋅6450338767291 = 19351016301873 is not.

Almost surely, 2^{6450338767291} is an apocalyptic number.

6450338767291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450338767291 is an equidigital number, since it uses as much as digits as its factorization.

6450338767291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 6450338767291 in words is "six trillion, four hundred fifty billion, three hundred thirty-eight million, seven hundred sixty-seven thousand, two hundred ninety-one".