13250051363844 has 81 divisors (see below), whose sum is σ = 34332337135551. Its totient is φ = 4308668588160.

The previous prime is 13250051363749. The next prime is 13250051363851. The reversal of 13250051363844 is 44836315005231.

The square root of 13250051363844 is 3640062.

It is a perfect power (a square), and thus also a powerful number.

13250051363844 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 0 + 0 + 5 + 1 + 3 + 638 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5481076968900 + 7768974394944 = 2341170^2 + 2787288^2 .

It is a super-3 number, since 3×13250051363844³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13250051363844.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 895447854 + ... + 895462650.

Almost surely, 2^{13250051363844} is an apocalyptic number.

13250051363844 is the 3640062-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13250051363844

13250051363844 is an abundant number, since it is smaller than the sum of its proper divisors (21082285771707).

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

13250051363844 is an frugal number, since it uses more digits than its factorization.

13250051363844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686 (or 14843 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 13250051363844 in words is "thirteen trillion, two hundred fifty billion, fifty-one million, three hundred sixty-three thousand, eight hundred forty-four".