6479857365349 has 2 divisors, whose sum is σ = 6479857365350. Its totient is φ = 6479857365348.

The previous prime is 6479857365337. The next prime is 6479857365353. The reversal of 6479857365349 is 9435637589746.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5759913600324 + 719943765025 = 2399982^2 + 848495^2 .

It is a cyclic number.

It is not a de Polignac number, because 6479857365349 - 2⁹ = 6479857364837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6479857365649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239928682674 + 3239928682675.

It is an arithmetic number, because the mean of its divisors is an integer number (3239928682675).

Almost surely, 2^{6479857365349} is an apocalyptic number.

It is an amenable number.

6479857365349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6479857365349 is an equidigital number, since it uses as much as digits as its factorization.

6479857365349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4115059200, while the sum is 76.

The spelling of 6479857365349 in words is "six trillion, four hundred seventy-nine billion, eight hundred fifty-seven million, three hundred sixty-five thousand, three hundred forty-nine".