566420693 has 4 divisors (see below), whose sum is σ = 566659200. Its totient is φ = 566182188.

The previous prime is 566420677. The next prime is 566420711. The reversal of 566420693 is 396024665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396024665 = 5 ⋅79204933.

It is a cyclic number.

It is not a de Polignac number, because 566420693 - 2⁴ = 566420677 is a prime.

It is a super-3 number, since 3×566420693³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566420693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566420293) 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, 115655 + ... + 120452.

It is an arithmetic number, because the mean of its divisors is an integer number (141664800).

Almost surely, 2^566420693 is an apocalyptic number.

It is an amenable number.

566420693 is a deficient number, since it is larger than the sum of its proper divisors (238507).

566420693 is a wasteful number, since it uses less digits than its factorization.

566420693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238506.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 566420693 is about 23799.5943873000. The cubic root of 566420693 is about 827.3952760686.

The spelling of 566420693 in words is "five hundred sixty-six million, four hundred twenty thousand, six hundred ninety-three".