10446879613 has 4 divisors (see below), whose sum is σ = 10447124860. Its totient is φ = 10446634368.

The previous prime is 10446879571. The next prime is 10446879617. The reversal of 10446879613 is 31697864401.

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 4851540409 + 5595339204 = 69653^2 + 74802^2 .

It is a cyclic number.

It is not a de Polignac number, because 10446879613 - 2⁹ = 10446879101 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 (10446879617) 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 3 ways as a sum of consecutive naturals, for example, 40308 + ... + 150061.

It is an arithmetic number, because the mean of its divisors is an integer number (2611781215).

Almost surely, 2^10446879613 is an apocalyptic number.

It is an amenable number.

10446879613 is a deficient number, since it is larger than the sum of its proper divisors (245247).

10446879613 is an equidigital number, since it uses as much as digits as its factorization.

10446879613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245246.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 10446879613 in words is "ten billion, four hundred forty-six million, eight hundred seventy-nine thousand, six hundred thirteen".