2792180681 has 2 divisors, whose sum is σ = 2792180682. Its totient is φ = 2792180680.

The previous prime is 2792180669. The next prime is 2792180683. The reversal of 2792180681 is 1860812972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2014663225 + 777517456 = 44885^2 + 27884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2792180681 - 2³⁰ = 1718438857 is a prime.

It is a super-2 number, since 2×2792180681² = 15592545910699247522, which contains 22 as substring.

Together with 2792180683, 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 (2792180683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396090340 + 1396090341.

It is an arithmetic number, because the mean of its divisors is an integer number (1396090341).

Almost surely, 2^2792180681 is an apocalyptic number.

It is an amenable number.

2792180681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792180681 is an equidigital number, since it uses as much as digits as its factorization.

2792180681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 2792180681 is about 52841.0889460087. The cubic root of 2792180681 is about 1408.1464975477.

The spelling of 2792180681 in words is "two billion, seven hundred ninety-two million, one hundred eighty thousand, six hundred eighty-one".