13530986827 has 2 divisors, whose sum is σ = 13530986828. Its totient is φ = 13530986826.

The previous prime is 13530986813. The next prime is 13530986849. The reversal of 13530986827 is 72868903531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530986827 is a prime.

It is not a weakly prime, because it can be changed into another prime (13530986927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765493413 + 6765493414.

It is an arithmetic number, because the mean of its divisors is an integer number (6765493414).

Almost surely, 2^13530986827 is an apocalyptic number.

13530986827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530986827 is an equidigital number, since it uses as much as digits as its factorization.

13530986827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 13530986827 in words is "thirteen billion, five hundred thirty million, nine hundred eighty-six thousand, eight hundred twenty-seven".