2069241281 has 2 divisors, whose sum is σ = 2069241282. Its totient is φ = 2069241280.

The previous prime is 2069241271. The next prime is 2069241319. The reversal of 2069241281 is 1821429602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1781599681 + 287641600 = 42209^2 + 16960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2069241281 is a prime.

It is a super-2 number, since 2×2069241281² = 8563518957989041922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2069241271) 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, 1034620640 + 1034620641.

It is an arithmetic number, because the mean of its divisors is an integer number (1034620641).

Almost surely, 2^2069241281 is an apocalyptic number.

It is an amenable number.

2069241281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069241281 is an equidigital number, since it uses as much as digits as its factorization.

2069241281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2069241281 is about 45488.9138252388. The cubic root of 2069241281 is about 1274.2961705058.

The spelling of 2069241281 in words is "two billion, sixty-nine million, two hundred forty-one thousand, two hundred eighty-one".