10649566709219 has 4 divisors (see below), whose sum is σ = 10649613496896. Its totient is φ = 10649519921544.

The previous prime is 10649566709191. The next prime is 10649566709233. The reversal of 10649566709219 is 91290766594601.

10649566709219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10649566709219 - 2²⁴ = 10649549932003 is a prime.

It is a super-2 number, since 2×10649566709219² (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 (10649566709819) 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, 23050739 + ... + 23508204.

It is an arithmetic number, because the mean of its divisors is an integer number (2662403374224).

Almost surely, 2^{10649566709219} is an apocalyptic number.

10649566709219 is a deficient number, since it is larger than the sum of its proper divisors (46787677).

10649566709219 is an equidigital number, since it uses as much as digits as its factorization.

10649566709219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46787676.

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 10649566709219 in words is "ten trillion, six hundred forty-nine billion, five hundred sixty-six million, seven hundred nine thousand, two hundred nineteen".