6565532430 has 64 divisors (see below), whose sum is σ = 17259531840. Its totient is φ = 1590994944.

The previous prime is 6565532423. The next prime is 6565532431. The reversal of 6565532430 is 342355656.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565532431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207169 + ... + 236748.

It is an arithmetic number, because the mean of its divisors is an integer number (269680185).

Almost surely, 2^6565532430 is an apocalyptic number.

6565532430 is an abundant number, since it is smaller than the sum of its proper divisors (10693999410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6565532430 is a wasteful number, since it uses less digits than its factorization.

6565532430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443973.

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 6565532430 is about 81027.9731327398. The cubic root of 6565532430 is about 1872.5064267639.

The spelling of 6565532430 in words is "six billion, five hundred sixty-five million, five hundred thirty-two thousand, four hundred thirty".