1361222332573 has 2 divisors, whose sum is σ = 1361222332574. Its totient is φ = 1361222332572.

The previous prime is 1361222332543. The next prime is 1361222332579. The reversal of 1361222332573 is 3752332221631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985578374169 + 375643958404 = 992763^2 + 612898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361222332573 - 2¹⁷ = 1361222201501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361222332579) 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, 680611166286 + 680611166287.

It is an arithmetic number, because the mean of its divisors is an integer number (680611166287).

Almost surely, 2^{1361222332573} is an apocalyptic number.

It is an amenable number.

1361222332573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361222332573 is an equidigital number, since it uses as much as digits as its factorization.

1361222332573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 40.

The spelling of 1361222332573 in words is "one trillion, three hundred sixty-one billion, two hundred twenty-two million, three hundred thirty-two thousand, five hundred seventy-three".