1340938924417 has 2 divisors, whose sum is σ = 1340938924418. Its totient is φ = 1340938924416.

The previous prime is 1340938924379. The next prime is 1340938924421. The reversal of 1340938924417 is 7144298390431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1332064530801 + 8874393616 = 1154151^2 + 94204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340938924417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340938924517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670469462208 + 670469462209.

It is an arithmetic number, because the mean of its divisors is an integer number (670469462209).

Almost surely, 2^{1340938924417} is an apocalyptic number.

It is an amenable number.

1340938924417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340938924417 is an equidigital number, since it uses as much as digits as its factorization.

1340938924417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 1340938924417 in words is "one trillion, three hundred forty billion, nine hundred thirty-eight million, nine hundred twenty-four thousand, four hundred seventeen".