13400442007 has 2 divisors, whose sum is σ = 13400442008. Its totient is φ = 13400442006.

The previous prime is 13400442001. The next prime is 13400442043. The reversal of 13400442007 is 70024400431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13400442007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13400442001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700221003 + 6700221004.

It is an arithmetic number, because the mean of its divisors is an integer number (6700221004).

Almost surely, 2^13400442007 is an apocalyptic number.

13400442007 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400442007 is an equidigital number, since it uses as much as digits as its factorization.

13400442007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 13400442007 its reverse (70024400431), we get a palindrome (83424842438).

The spelling of 13400442007 in words is "thirteen billion, four hundred million, four hundred forty-two thousand, seven".