6564211535348 has 12 divisors (see below), whose sum is σ = 11487448134372. Its totient is φ = 3282083496960.

The previous prime is 6564211535311. The next prime is 6564211535437. The reversal of 6564211535348 is 8435351124656.

It can be written as a sum of positive squares in 2 ways, for example, as 3916132282084 + 2648079253264 = 1978922^2 + 1627292^2 .

It is a super-2 number, since 2×6564211535348² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6564211535348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4895483 + ... + 6090498.

It is an arithmetic number, because the mean of its divisors is an integer number (957287344531).

Almost surely, 2^{6564211535348} is an apocalyptic number.

It is an amenable number.

6564211535348 is a deficient number, since it is larger than the sum of its proper divisors (4923236599024).

6564211535348 is a wasteful number, since it uses less digits than its factorization.

6564211535348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135362 (or 11135360 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 6564211535348 in words is "six trillion, five hundred sixty-four billion, two hundred eleven million, five hundred thirty-five thousand, three hundred forty-eight".