2792995661 has 2 divisors, whose sum is σ = 2792995662. Its totient is φ = 2792995660.

The previous prime is 2792995651. The next prime is 2792995663. The reversal of 2792995661 is 1665992972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2735917636 + 57078025 = 52306^2 + 7555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2792995661 is a prime.

Together with 2792995663, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2792995597 and 2792995606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2792995663) 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, 1396497830 + 1396497831.

It is an arithmetic number, because the mean of its divisors is an integer number (1396497831).

Almost surely, 2^2792995661 is an apocalyptic number.

It is an amenable number.

2792995661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792995661 is an equidigital number, since it uses as much as digits as its factorization.

2792995661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 56.

The square root of 2792995661 is about 52848.7999958372. The cubic root of 2792995661 is about 1408.2834872017.

The spelling of 2792995661 in words is "two billion, seven hundred ninety-two million, nine hundred ninety-five thousand, six hundred sixty-one".