6564060420361 has 4 divisors (see below), whose sum is σ = 6564066027012. Its totient is φ = 6564054813712.

The previous prime is 6564060420317. The next prime is 6564060420371. The reversal of 6564060420361 is 1630240604656.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 965777907600 + 5598282512761 = 982740^2 + 2366069^2 .

It is a cyclic number.

It is not a de Polignac number, because 6564060420361 - 2²⁹ = 6563523549449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6564060420371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305026 + ... + 3636091.

It is an arithmetic number, because the mean of its divisors is an integer number (1641016506753).

Almost surely, 2^{6564060420361} is an apocalyptic number.

It is an amenable number.

6564060420361 is a deficient number, since it is larger than the sum of its proper divisors (5606651).

6564060420361 is a wasteful number, since it uses less digits than its factorization.

6564060420361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606650.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 6564060420361 in words is "six trillion, five hundred sixty-four billion, sixty million, four hundred twenty thousand, three hundred sixty-one".