340105000361561 has 2 divisors, whose sum is σ = 340105000361562. Its totient is φ = 340105000361560.

The previous prime is 340105000361479. The next prime is 340105000361591. The reversal of 340105000361561 is 165163000501043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251931304054336 + 88173696307225 = 15872344^2 + 9390085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340105000361561 is a prime.

It is a super-2 number, since 2×340105000361561² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340105000361591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170052500180780 + 170052500180781.

It is an arithmetic number, because the mean of its divisors is an integer number (170052500180781).

Almost surely, 2^{340105000361561} is an apocalyptic number.

It is an amenable number.

340105000361561 is a deficient number, since it is larger than the sum of its proper divisors (1).

340105000361561 is an equidigital number, since it uses as much as digits as its factorization.

340105000361561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 340105000361561 in words is "three hundred forty trillion, one hundred five billion, three hundred sixty-one thousand, five hundred sixty-one".