10006556717 has 4 divisors (see below), whose sum is σ = 10008482940. Its totient is φ = 10004630496.

The previous prime is 10006556683. The next prime is 10006556737. The reversal of 10006556717 is 71765560001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6851038441 + 3155518276 = 82771^2 + 56174^2 .

It is a cyclic number.

It is not a de Polignac number, because 10006556717 - 2⁶ = 10006556653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10006556737) 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, 955298 + ... + 965715.

It is an arithmetic number, because the mean of its divisors is an integer number (2502120735).

Almost surely, 2^10006556717 is an apocalyptic number.

It is an amenable number.

10006556717 is a deficient number, since it is larger than the sum of its proper divisors (1926223).

10006556717 is an equidigital number, since it uses as much as digits as its factorization.

10006556717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926222.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 10006556717 in words is "ten billion, six million, five hundred fifty-six thousand, seven hundred seventeen".