13123410224449 has 4 divisors (see below), whose sum is σ = 14998183113664. Its totient is φ = 11248637335236.

The previous prime is 13123410224443. The next prime is 13123410224461. The reversal of 13123410224449 is 94442201432131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-13123410224449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123410224443) 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, 937386444597 + ... + 937386444610.

It is an arithmetic number, because the mean of its divisors is an integer number (3749545778416).

Almost surely, 2^{13123410224449} is an apocalyptic number.

It is an amenable number.

13123410224449 is a deficient number, since it is larger than the sum of its proper divisors (1874772889215).

13123410224449 is an equidigital number, since it uses as much as digits as its factorization.

13123410224449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874772889214.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 13123410224449 in words is "thirteen trillion, one hundred twenty-three billion, four hundred ten million, two hundred twenty-four thousand, four hundred forty-nine".