13531208827 has 2 divisors, whose sum is σ = 13531208828. Its totient is φ = 13531208826.

The previous prime is 13531208819. The next prime is 13531208851. The reversal of 13531208827 is 72880213531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13531208827 - 2³ = 13531208819 is a prime.

It is a super-2 number, since 2×13531208827² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13531208827.

It is not a weakly prime, because it can be changed into another prime (13531208027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765604413 + 6765604414.

It is an arithmetic number, because the mean of its divisors is an integer number (6765604414).

Almost surely, 2^13531208827 is an apocalyptic number.

13531208827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531208827 is an equidigital number, since it uses as much as digits as its factorization.

13531208827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 13531208827 in words is "thirteen billion, five hundred thirty-one million, two hundred eight thousand, eight hundred twenty-seven".