1340703626659 has 2 divisors, whose sum is σ = 1340703626660. Its totient is φ = 1340703626658.

The previous prime is 1340703626651. The next prime is 1340703626693. The reversal of 1340703626659 is 9566263070431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9566263070431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340703626659 - 2³ = 1340703626651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340703626651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670351813329 + 670351813330.

It is an arithmetic number, because the mean of its divisors is an integer number (670351813330).

Almost surely, 2^{1340703626659} is an apocalyptic number.

1340703626659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340703626659 is an equidigital number, since it uses as much as digits as its factorization.

1340703626659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 1340703626659 in words is "one trillion, three hundred forty billion, seven hundred three million, six hundred twenty-six thousand, six hundred fifty-nine".