13220129959 has 2 divisors, whose sum is σ = 13220129960. Its totient is φ = 13220129958.

The previous prime is 13220129953. The next prime is 13220129971. The reversal of 13220129959 is 95992102231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95992102231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220129959 - 2¹³ = 13220121767 is a prime.

It is a super-2 number, since 2×13220129959² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220129953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610064979 + 6610064980.

It is an arithmetic number, because the mean of its divisors is an integer number (6610064980).

Almost surely, 2^13220129959 is an apocalyptic number.

13220129959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220129959 is an equidigital number, since it uses as much as digits as its factorization.

13220129959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 13220129959 in words is "thirteen billion, two hundred twenty million, one hundred twenty-nine thousand, nine hundred fifty-nine".