6565789364 has 24 divisors (see below), whose sum is σ = 11782786176. Its totient is φ = 3199448000.

The previous prime is 6565789361. The next prime is 6565789381. The reversal of 6565789364 is 4639875656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565789361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138629 + ... + 179859.

It is an arithmetic number, because the mean of its divisors is an integer number (490949424).

Almost surely, 2^6565789364 is an apocalyptic number.

It is an amenable number.

6565789364 is a deficient number, since it is larger than the sum of its proper divisors (5216996812).

6565789364 is a wasteful number, since it uses less digits than its factorization.

6565789364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42247 (or 42245 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 59.

The square root of 6565789364 is about 81029.5585820384. The cubic root of 6565789364 is about 1872.5308525204.

The spelling of 6565789364 in words is "six billion, five hundred sixty-five million, seven hundred eighty-nine thousand, three hundred sixty-four".