14161247137549 has 2 divisors, whose sum is σ = 14161247137550. Its totient is φ = 14161247137548.

The previous prime is 14161247137529. The next prime is 14161247137621. The reversal of 14161247137549 is 94573174216141.

14161247137549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9165798635049 + 4995448502500 = 3027507^2 + 2235050^2 .

It is an emirp because it is prime and its reverse (94573174216141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14161247137549 - 2²⁵ = 14161213583117 is a prime.

It is a super-2 number, since 2×14161247137549² (a number of 27 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 14161247137549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14161247137529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7080623568774 + 7080623568775.

It is an arithmetic number, because the mean of its divisors is an integer number (7080623568775).

Almost surely, 2^{14161247137549} is an apocalyptic number.

It is an amenable number.

14161247137549 is a deficient number, since it is larger than the sum of its proper divisors (1).

14161247137549 is an equidigital number, since it uses as much as digits as its factorization.

14161247137549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The spelling of 14161247137549 in words is "fourteen trillion, one hundred sixty-one billion, two hundred forty-seven million, one hundred thirty-seven thousand, five hundred forty-nine".