10644766459 has 8 divisors (see below), whose sum is σ = 11110705920. Its totient is φ = 10179087336.

The previous prime is 10644766439. The next prime is 10644766481. The reversal of 10644766459 is 95466744601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10644766459 - 2⁷ = 10644766331 is a prime.

It is a super-2 number, since 2×10644766459² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10644766439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20914 + ... + 147400.

It is an arithmetic number, because the mean of its divisors is an integer number (1388838240).

Almost surely, 2^10644766459 is an apocalyptic number.

10644766459 is a deficient number, since it is larger than the sum of its proper divisors (465939461).

10644766459 is a wasteful number, since it uses less digits than its factorization.

10644766459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130169.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 10644766459 in words is "ten billion, six hundred forty-four million, seven hundred sixty-six thousand, four hundred fifty-nine".