13263346244436 has 96 divisors (see below), whose sum is σ = 33310073244672. Its totient is φ = 4092445969920.

The previous prime is 13263346244431. The next prime is 13263346244501. The reversal of 13263346244436 is 63444264336231.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263346244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7855575 + ... + 9393441.

It is an arithmetic number, because the mean of its divisors is an integer number (346979929632).

Almost surely, 2^{13263346244436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13263346244436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16655036622336).

13263346244436 is an abundant number, since it is smaller than the sum of its proper divisors (20046727000236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13263346244436 is a wasteful number, since it uses less digits than its factorization.

13263346244436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538589 (or 1538587 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 51.

The spelling of 13263346244436 in words is "thirteen trillion, two hundred sixty-three billion, three hundred forty-six million, two hundred forty-four thousand, four hundred thirty-six".