10656044436217 has 4 divisors (see below), whose sum is σ = 10656069986980. Its totient is φ = 10656018885456.

The previous prime is 10656044436203. The next prime is 10656044436221. The reversal of 10656044436217 is 71263444065601.

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 8380469169216 + 2275575267001 = 2894904^2 + 1508501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10656044436217 is a prime.

It is a super-2 number, since 2×10656044436217² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10656044436277) 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, 12139242 + ... + 12987427.

It is an arithmetic number, because the mean of its divisors is an integer number (2664017496745).

Almost surely, 2^{10656044436217} is an apocalyptic number.

It is an amenable number.

10656044436217 is a deficient number, since it is larger than the sum of its proper divisors (25550763).

10656044436217 is an equidigital number, since it uses as much as digits as its factorization.

10656044436217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25550762.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 10656044436217 in words is "ten trillion, six hundred fifty-six billion, forty-four million, four hundred thirty-six thousand, two hundred seventeen".