1792742686561 has 2 divisors, whose sum is σ = 1792742686562. Its totient is φ = 1792742686560.

The previous prime is 1792742686547. The next prime is 1792742686613. The reversal of 1792742686561 is 1656862472971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134565825600 + 658176860961 = 1065160^2 + 811281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1792742686561 - 2¹⁹ = 1792742162273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1792742686493 and 1792742686502.

It is not a weakly prime, because it can be changed into another prime (1792742686661) 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, 896371343280 + 896371343281.

It is an arithmetic number, because the mean of its divisors is an integer number (896371343281).

Almost surely, 2^{1792742686561} is an apocalyptic number.

It is an amenable number.

1792742686561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1792742686561 is an equidigital number, since it uses as much as digits as its factorization.

1792742686561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 64.

The spelling of 1792742686561 in words is "one trillion, seven hundred ninety-two billion, seven hundred forty-two million, six hundred eighty-six thousand, five hundred sixty-one".