4471481281 has 2 divisors, whose sum is σ = 4471481282. Its totient is φ = 4471481280.

The previous prime is 4471481243. The next prime is 4471481293. The reversal of 4471481281 is 1821841744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2362834881 + 2108646400 = 48609^2 + 45920^2 .

It is a cyclic number.

It is not a de Polignac number, because 4471481281 - 2⁷ = 4471481153 is a prime.

It is a super-3 number, since 3×4471481281³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (4471481081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235740640 + 2235740641.

It is an arithmetic number, because the mean of its divisors is an integer number (2235740641).

Almost surely, 2^4471481281 is an apocalyptic number.

It is an amenable number.

4471481281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4471481281 is an equidigital number, since it uses as much as digits as its factorization.

4471481281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 40.

The square root of 4471481281 is about 66869.1354886543. The cubic root of 4471481281 is about 1647.4685738642.

The spelling of 4471481281 in words is "four billion, four hundred seventy-one million, four hundred eighty-one thousand, two hundred eighty-one".