13420133689 has 2 divisors, whose sum is σ = 13420133690. Its totient is φ = 13420133688.

The previous prime is 13420133677. The next prime is 13420133743. The reversal of 13420133689 is 98633102431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10227883689 + 3192250000 = 101133^2 + 56500^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420133689 - 2³¹ = 11272650041 is a prime.

It is not a weakly prime, because it can be changed into another prime (13420133189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710066844 + 6710066845.

It is an arithmetic number, because the mean of its divisors is an integer number (6710066845).

Almost surely, 2^13420133689 is an apocalyptic number.

It is an amenable number.

13420133689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420133689 is an equidigital number, since it uses as much as digits as its factorization.

13420133689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 13420133689 in words is "thirteen billion, four hundred twenty million, one hundred thirty-three thousand, six hundred eighty-nine".