13434381679 has 2 divisors, whose sum is σ = 13434381680. Its totient is φ = 13434381678.

The previous prime is 13434381607. The next prime is 13434381703. The reversal of 13434381679 is 97618343431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13434381679 - 2⁷ = 13434381551 is a prime.

It is a super-2 number, since 2×13434381679² (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 (13434381179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6717190839 + 6717190840.

It is an arithmetic number, because the mean of its divisors is an integer number (6717190840).

Almost surely, 2^13434381679 is an apocalyptic number.

13434381679 is a deficient number, since it is larger than the sum of its proper divisors (1).

13434381679 is an equidigital number, since it uses as much as digits as its factorization.

13434381679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 13434381679 in words is "thirteen billion, four hundred thirty-four million, three hundred eighty-one thousand, six hundred seventy-nine".