10646645459 has 8 divisors (see below), whose sum is σ = 11418449040. Its totient is φ = 9895987296.

The previous prime is 10646645447. The next prime is 10646645473. The reversal of 10646645459 is 95454664601.

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 10646645459 - 2²⁰ = 10645596883 is a prime.

It is a super-2 number, since 2×10646645459² (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 (10646645059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285312 + ... + 5287325.

It is an arithmetic number, because the mean of its divisors is an integer number (1427306130).

Almost surely, 2^10646645459 is an apocalyptic number.

10646645459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10646645459 is a deficient number, since it is larger than the sum of its proper divisors (771803581).

10646645459 is a wasteful number, since it uses less digits than its factorization.

10646645459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572709.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 10646645459 in words is "ten billion, six hundred forty-six million, six hundred forty-five thousand, four hundred fifty-nine".