6565364045 has 16 divisors (see below), whose sum is σ = 8365543920. Its totient is φ = 4929306624.

The previous prime is 6565364033. The next prime is 6565364051. The reversal of 6565364045 is 5404635656.

It can be written as a sum of positive squares in 8 ways, for example, as 13756681 + 6551607364 = 3709^2 + 80942^2 .

It is a cyclic number.

It is not a de Polignac number, because 6565364045 - 2⁸ = 6565363789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6565363987 and 6565364005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79400 + ... + 139409.

It is an arithmetic number, because the mean of its divisors is an integer number (522846495).

Almost surely, 2^6565364045 is an apocalyptic number.

It is an amenable number.

6565364045 is a deficient number, since it is larger than the sum of its proper divisors (1800179875).

6565364045 is a wasteful number, since it uses less digits than its factorization.

6565364045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219184.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The square root of 6565364045 is about 81026.9340713321. The cubic root of 6565364045 is about 1872.4904186846.

The spelling of 6565364045 in words is "six billion, five hundred sixty-five million, three hundred sixty-four thousand, forty-five".