2792951281 has 2 divisors, whose sum is σ = 2792951282. Its totient is φ = 2792951280.

The previous prime is 2792951243. The next prime is 2792951321. The reversal of 2792951281 is 1821592972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2785200625 + 7750656 = 52775^2 + 2784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2792951281 - 2¹³ = 2792943089 is a prime.

It is a super-2 number, since 2×2792951281² = 15601153716079081922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2792951221) 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, 1396475640 + 1396475641.

It is an arithmetic number, because the mean of its divisors is an integer number (1396475641).

Almost surely, 2^2792951281 is an apocalyptic number.

It is an amenable number.

2792951281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792951281 is an equidigital number, since it uses as much as digits as its factorization.

2792951281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 2792951281 is about 52848.3801170859. The cubic root of 2792951281 is about 1408.2760280718.

The spelling of 2792951281 in words is "two billion, seven hundred ninety-two million, nine hundred fifty-one thousand, two hundred eighty-one".