13249803684500 has 36 divisors (see below), whose sum is σ = 28937749011444. Its totient is φ = 5299888916400.

The previous prime is 13249803684497. The next prime is 13249803684503. The reversal of 13249803684500 is 548630894231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13249803684500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13249803684497) and next prime (13249803684503).

It can be written as a sum of positive squares in 2 ways, for example, as 423993717904 + 12825809966596 = 651148^2 + 3581314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249803684503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81312107 + ... + 81474893.

It is an arithmetic number, because the mean of its divisors is an integer number (803826361429).

Almost surely, 2^{13249803684500} is an apocalyptic number.

13249803684500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13249803684500 is an abundant number, since it is smaller than the sum of its proper divisors (15687945326944).

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

13249803684500 is an frugal number, since it uses more digits than its factorization.

13249803684500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325593 (or 162794 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 13249803684500 in words is "thirteen trillion, two hundred forty-nine billion, eight hundred three million, six hundred eighty-four thousand, five hundred".