1822076740661 has 2 divisors, whose sum is σ = 1822076740662. Its totient is φ = 1822076740660.

The previous prime is 1822076740651. The next prime is 1822076740691. The reversal of 1822076740661 is 1660476702281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1324614544561 + 497462196100 = 1150919^2 + 705310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1822076740661 - 2¹⁸ = 1822076478517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1822076740651) 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, 911038370330 + 911038370331.

It is an arithmetic number, because the mean of its divisors is an integer number (911038370331).

Almost surely, 2^{1822076740661} is an apocalyptic number.

It is an amenable number.

1822076740661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1822076740661 is an equidigital number, since it uses as much as digits as its factorization.

1822076740661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 1822076740661 in words is "one trillion, eight hundred twenty-two billion, seventy-six million, seven hundred forty thousand, six hundred sixty-one".