1776322340081 has 2 divisors, whose sum is σ = 1776322340082. Its totient is φ = 1776322340080.

The previous prime is 1776322340059. The next prime is 1776322340083. The reversal of 1776322340081 is 1800432236771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020118180081 + 756204160000 = 1010009^2 + 869600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1776322340081 - 2⁶ = 1776322340017 is a prime.

It is a super-2 number, since 2×1776322340081² (a number of 25 digits) contains 22 as substring.

Together with 1776322340083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1776322340083) 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, 888161170040 + 888161170041.

It is an arithmetic number, because the mean of its divisors is an integer number (888161170041).

Almost surely, 2^{1776322340081} is an apocalyptic number.

It is an amenable number.

1776322340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1776322340081 is an equidigital number, since it uses as much as digits as its factorization.

1776322340081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 1776322340081 in words is "one trillion, seven hundred seventy-six billion, three hundred twenty-two million, three hundred forty thousand, eighty-one".