61373422437317 has 2 divisors, whose sum is σ = 61373422437318. Its totient is φ = 61373422437316.

The previous prime is 61373422437289. The next prime is 61373422437343. The reversal of 61373422437317 is 71373422437316.

61373422437317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61364521269601 + 8901167716 = 7833551^2 + 94346^2 .

It is a cyclic number.

It is not a de Polignac number, because 61373422437317 - 2¹⁸ = 61373422175173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61373422437517) 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, 30686711218658 + 30686711218659.

It is an arithmetic number, because the mean of its divisors is an integer number (30686711218659).

Almost surely, 2^{61373422437317} is an apocalyptic number.

It is an amenable number.

61373422437317 is a deficient number, since it is larger than the sum of its proper divisors (1).

61373422437317 is an equidigital number, since it uses as much as digits as its factorization.

61373422437317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 53.

Subtracting 61373422437317 from its reverse (71373422437316), we obtain a palindrome (9999999999999).

The spelling of 61373422437317 in words is "sixty-one trillion, three hundred seventy-three billion, four hundred twenty-two million, four hundred thirty-seven thousand, three hundred seventeen".