6457334421331 has 2 divisors, whose sum is σ = 6457334421332. Its totient is φ = 6457334421330.

The previous prime is 6457334421323. The next prime is 6457334421347. The reversal of 6457334421331 is 1331244337546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6457334421331 - 2³ = 6457334421323 is a prime.

It is a super-2 number, since 2×6457334421331² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6457334421371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228667210665 + 3228667210666.

It is an arithmetic number, because the mean of its divisors is an integer number (3228667210666).

Almost surely, 2^{6457334421331} is an apocalyptic number.

6457334421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6457334421331 is an equidigital number, since it uses as much as digits as its factorization.

6457334421331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 46.

Adding to 6457334421331 its reverse (1331244337546), we get a palindrome (7788578758877).

The spelling of 6457334421331 in words is "six trillion, four hundred fifty-seven billion, three hundred thirty-four million, four hundred twenty-one thousand, three hundred thirty-one".