13542216569047 has 2 divisors, whose sum is σ = 13542216569048. Its totient is φ = 13542216569046.

The previous prime is 13542216569023. The next prime is 13542216569081. The reversal of 13542216569047 is 74096561224531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13542216569047 - 2²⁷ = 13542082351319 is a prime.

It is a super-2 number, since 2×13542216569047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13542216569347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771108284523 + 6771108284524.

It is an arithmetic number, because the mean of its divisors is an integer number (6771108284524).

Almost surely, 2^{13542216569047} is an apocalyptic number.

13542216569047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542216569047 is an equidigital number, since it uses as much as digits as its factorization.

13542216569047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 13542216569047 in words is "thirteen trillion, five hundred forty-two billion, two hundred sixteen million, five hundred sixty-nine thousand, forty-seven".