13980526559 has 4 divisors (see below), whose sum is σ = 14036226120. Its totient is φ = 13924827000.

The previous prime is 13980526541. The next prime is 13980526561. The reversal of 13980526559 is 95562508931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95562508931 = 131 ⋅729484801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13980526559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13980526559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13980526519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27849404 + ... + 27849905.

It is an arithmetic number, because the mean of its divisors is an integer number (3509056530).

Almost surely, 2^13980526559 is an apocalyptic number.

13980526559 is a deficient number, since it is larger than the sum of its proper divisors (55699561).

13980526559 is an equidigital number, since it uses as much as digits as its factorization.

13980526559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55699560.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 13980526559 in words is "thirteen billion, nine hundred eighty million, five hundred twenty-six thousand, five hundred fifty-nine".