1942582723561 has 2 divisors, whose sum is σ = 1942582723562. Its totient is φ = 1942582723560.

The previous prime is 1942582723537. The next prime is 1942582723567. The reversal of 1942582723561 is 1653272852491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1275869647936 + 666713075625 = 1129544^2 + 816525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1942582723561 - 2²¹ = 1942580626409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1942582723567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971291361780 + 971291361781.

It is an arithmetic number, because the mean of its divisors is an integer number (971291361781).

Almost surely, 2^{1942582723561} is an apocalyptic number.

It is an amenable number.

1942582723561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942582723561 is an equidigital number, since it uses as much as digits as its factorization.

1942582723561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 55.

The spelling of 1942582723561 in words is "one trillion, nine hundred forty-two billion, five hundred eighty-two million, seven hundred twenty-three thousand, five hundred sixty-one".