6458471263889 has 2 divisors, whose sum is σ = 6458471263890. Its totient is φ = 6458471263888.

The previous prime is 6458471263873. The next prime is 6458471263921. The reversal of 6458471263889 is 9883621748546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5121712134400 + 1336759129489 = 2263120^2 + 1156183^2 .

It is a cyclic number.

It is not a de Polignac number, because 6458471263889 - 2⁴ = 6458471263873 is a prime.

It is not a weakly prime, because it can be changed into another prime (6458471260889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229235631944 + 3229235631945.

It is an arithmetic number, because the mean of its divisors is an integer number (3229235631945).

Almost surely, 2^{6458471263889} is an apocalyptic number.

It is an amenable number.

6458471263889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6458471263889 is an equidigital number, since it uses as much as digits as its factorization.

6458471263889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 557383680, while the sum is 71.

The spelling of 6458471263889 in words is "six trillion, four hundred fifty-eight billion, four hundred seventy-one million, two hundred sixty-three thousand, eight hundred eighty-nine".