562729666721 has 4 divisors (see below), whose sum is σ = 562861426944. Its totient is φ = 562597906500.

The previous prime is 562729666711. The next prime is 562729666747. The reversal of 562729666721 is 127666927265.

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: 127666927265 = 5 ⋅25533385453.

It is a cyclic number.

It is not a de Polignac number, because 562729666721 - 2³⁰ = 561655924897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (562729666711) 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, 65873705 + ... + 65882246.

It is an arithmetic number, because the mean of its divisors is an integer number (140715356736).

Almost surely, 2^562729666721 is an apocalyptic number.

It is an amenable number.

562729666721 is a deficient number, since it is larger than the sum of its proper divisors (131760223).

562729666721 is a wasteful number, since it uses less digits than its factorization.

562729666721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131760222.

The product of its digits is 22861440, while the sum is 59.

The spelling of 562729666721 in words is "five hundred sixty-two billion, seven hundred twenty-nine million, six hundred sixty-six thousand, seven hundred twenty-one".