561741767393 has 2 divisors, whose sum is σ = 561741767394. Its totient is φ = 561741767392.

The previous prime is 561741767387. The next prime is 561741767399. The reversal of 561741767393 is 393767147165.

It is a balanced prime because it is at equal distance from previous prime (561741767387) and next prime (561741767399).

It can be written as a sum of positive squares in only one way, i.e., 387466411024 + 174275356369 = 622468^2 + 417463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561741767393 is a prime.

It is a super-2 number, since 2×561741767393² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561741767399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280870883696 + 280870883697.

It is an arithmetic number, because the mean of its divisors is an integer number (280870883697).

Almost surely, 2^561741767393 is an apocalyptic number.

It is an amenable number.

561741767393 is a deficient number, since it is larger than the sum of its proper divisors (1).

561741767393 is an equidigital number, since it uses as much as digits as its factorization.

561741767393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20003760, while the sum is 59.

The spelling of 561741767393 in words is "five hundred sixty-one billion, seven hundred forty-one million, seven hundred sixty-seven thousand, three hundred ninety-three".