1350726640013 has 2 divisors, whose sum is σ = 1350726640014. Its totient is φ = 1350726640012.

The previous prime is 1350726640001. The next prime is 1350726640031. The reversal of 1350726640013 is 3100466270531.

Together with next prime (1350726640031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350016257604 + 710382409 = 1161902^2 + 26653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350726640013 - 2⁶ = 1350726639949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350726640033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675363320006 + 675363320007.

It is an arithmetic number, because the mean of its divisors is an integer number (675363320007).

Almost surely, 2^{1350726640013} is an apocalyptic number.

It is an amenable number.

1350726640013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350726640013 is an equidigital number, since it uses as much as digits as its factorization.

1350726640013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 1350726640013 in words is "one trillion, three hundred fifty billion, seven hundred twenty-six million, six hundred forty thousand, thirteen".