13642726907 has 2 divisors, whose sum is σ = 13642726908. Its totient is φ = 13642726906.

The previous prime is 13642726861. The next prime is 13642726927. The reversal of 13642726907 is 70962724631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13642726907 - 2²² = 13638532603 is a prime.

It is a super-2 number, since 2×13642726907² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13642726927) 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, 6821363453 + 6821363454.

It is an arithmetic number, because the mean of its divisors is an integer number (6821363454).

Almost surely, 2^13642726907 is an apocalyptic number.

13642726907 is a deficient number, since it is larger than the sum of its proper divisors (1).

13642726907 is an equidigital number, since it uses as much as digits as its factorization.

13642726907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 13642726907 in words is "thirteen billion, six hundred forty-two million, seven hundred twenty-six thousand, nine hundred seven".