5666696729 has 4 divisors (see below), whose sum is σ = 5669869584. Its totient is φ = 5663523876.

The previous prime is 5666696701. The next prime is 5666696741. The reversal of 5666696729 is 9276966665.

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.

It is a cyclic number.

It is not a de Polignac number, because 5666696729 - 2²⁸ = 5398261273 is a prime.

It is a super-2 number, since 2×5666696729² = 64222903636918598882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666696129) 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, 1583747 + ... + 1587320.

It is an arithmetic number, because the mean of its divisors is an integer number (1417467396).

Almost surely, 2^5666696729 is an apocalyptic number.

It is an amenable number.

5666696729 is a deficient number, since it is larger than the sum of its proper divisors (3172855).

5666696729 is a wasteful number, since it uses less digits than its factorization.

5666696729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172854.

The product of its digits is 44089920, while the sum is 62.

The square root of 5666696729 is about 75277.4649480175. The cubic root of 5666696729 is about 1782.8302331100.

The spelling of 5666696729 in words is "five billion, six hundred sixty-six million, six hundred ninety-six thousand, seven hundred twenty-nine".