3089249281 has 2 divisors, whose sum is σ = 3089249282. Its totient is φ = 3089249280.

The previous prime is 3089249269. The next prime is 3089249287. The reversal of 3089249281 is 1829429803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3026760256 + 62489025 = 55016^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3089249281 - 2⁵ = 3089249249 is a prime.

It is a super-2 number, since 2×3089249281² = 19086922240318033922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3089249287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1544624640 + 1544624641.

It is an arithmetic number, because the mean of its divisors is an integer number (1544624641).

Almost surely, 2^3089249281 is an apocalyptic number.

It is an amenable number.

3089249281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3089249281 is an equidigital number, since it uses as much as digits as its factorization.

3089249281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 3089249281 is about 55581.0154729113. The cubic root of 3089249281 is about 1456.4122329871.

The spelling of 3089249281 in words is "three billion, eighty-nine million, two hundred forty-nine thousand, two hundred eighty-one".