13436221039 has 2 divisors, whose sum is σ = 13436221040. Its totient is φ = 13436221038.

The previous prime is 13436221009. The next prime is 13436221061. The reversal of 13436221039 is 93012263431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13436221039 - 2⁹ = 13436220527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13436220995 and 13436221013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13436221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6718110519 + 6718110520.

It is an arithmetic number, because the mean of its divisors is an integer number (6718110520).

Almost surely, 2^13436221039 is an apocalyptic number.

13436221039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13436221039 is an equidigital number, since it uses as much as digits as its factorization.

13436221039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 13436221039 in words is "thirteen billion, four hundred thirty-six million, two hundred twenty-one thousand, thirty-nine".