13500550253 has 2 divisors, whose sum is σ = 13500550254. Its totient is φ = 13500550252.

The previous prime is 13500550249. The next prime is 13500550267. The reversal of 13500550253 is 35205500531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13064032804 + 436517449 = 114298^2 + 20893^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500550253 - 2² = 13500550249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13500550223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750275126 + 6750275127.

It is an arithmetic number, because the mean of its divisors is an integer number (6750275127).

Almost surely, 2^13500550253 is an apocalyptic number.

It is an amenable number.

13500550253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500550253 is an equidigital number, since it uses as much as digits as its factorization.

13500550253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 13500550253 in words is "thirteen billion, five hundred million, five hundred fifty thousand, two hundred fifty-three".