1340830792361 has 2 divisors, whose sum is σ = 1340830792362. Its totient is φ = 1340830792360.

The previous prime is 1340830792267. The next prime is 1340830792421. The reversal of 1340830792361 is 1632970380431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283362716736 + 57468075625 = 1132856^2 + 239725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340830792361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340830794361) 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, 670415396180 + 670415396181.

It is an arithmetic number, because the mean of its divisors is an integer number (670415396181).

Almost surely, 2^{1340830792361} is an apocalyptic number.

It is an amenable number.

1340830792361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340830792361 is an equidigital number, since it uses as much as digits as its factorization.

1340830792361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 1340830792361 in words is "one trillion, three hundred forty billion, eight hundred thirty million, seven hundred ninety-two thousand, three hundred sixty-one".