13420212439 has 2 divisors, whose sum is σ = 13420212440. Its totient is φ = 13420212438.

The previous prime is 13420212433. The next prime is 13420212461. The reversal of 13420212439 is 93421202431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13420212439 - 2¹³ = 13420204247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13420212439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420212433) 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, 6710106219 + 6710106220.

It is an arithmetic number, because the mean of its divisors is an integer number (6710106220).

Almost surely, 2^13420212439 is an apocalyptic number.

13420212439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420212439 is an equidigital number, since it uses as much as digits as its factorization.

13420212439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

It can be divided in two parts, 134202 and 12439, that added together give a palindrome (146641).

The spelling of 13420212439 in words is "thirteen billion, four hundred twenty million, two hundred twelve thousand, four hundred thirty-nine".