13645202827 has 2 divisors, whose sum is σ = 13645202828. Its totient is φ = 13645202826.

The previous prime is 13645202807. The next prime is 13645202899. The reversal of 13645202827 is 72820254631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13645202827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13645202827.

It is not a weakly prime, because it can be changed into another prime (13645202807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6822601413 + 6822601414.

It is an arithmetic number, because the mean of its divisors is an integer number (6822601414).

Almost surely, 2^13645202827 is an apocalyptic number.

13645202827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13645202827 is an equidigital number, since it uses as much as digits as its factorization.

13645202827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 13645202827 in words is "thirteen billion, six hundred forty-five million, two hundred two thousand, eight hundred twenty-seven".