566959638403 has 4 divisors (see below), whose sum is σ = 591610057488. Its totient is φ = 542309219320.

The previous prime is 566959638379. The next prime is 566959638493. The reversal of 566959638403 is 304836959665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566959638403 - 2³³ = 558369703811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566959638493) 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, 12325209508 + ... + 12325209553.

It is an arithmetic number, because the mean of its divisors is an integer number (147902514372).

Almost surely, 2^566959638403 is an apocalyptic number.

566959638403 is a deficient number, since it is larger than the sum of its proper divisors (24650419085).

566959638403 is a wasteful number, since it uses less digits than its factorization.

566959638403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24650419084.

The product of its (nonzero) digits is 125971200, while the sum is 64.

The spelling of 566959638403 in words is "five hundred sixty-six billion, nine hundred fifty-nine million, six hundred thirty-eight thousand, four hundred three".