4475333981 has 2 divisors, whose sum is σ = 4475333982. Its totient is φ = 4475333980.

The previous prime is 4475333959. The next prime is 4475334013. The reversal of 4475333981 is 1893335744.

4475333981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3882411481 + 592922500 = 62309^2 + 24350^2 .

It is a cyclic number.

It is not a de Polignac number, because 4475333981 - 2⁶ = 4475333917 is a prime.

It is a super-2 number, since 2×4475333981² = 40057228482986616722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4475333921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2237666990 + 2237666991.

It is an arithmetic number, because the mean of its divisors is an integer number (2237666991).

Almost surely, 2^4475333981 is an apocalyptic number.

It is an amenable number.

4475333981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4475333981 is an equidigital number, since it uses as much as digits as its factorization.

4475333981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 4475333981 is about 66897.9370459209. The cubic root of 4475333981 is about 1647.9415998182.

The spelling of 4475333981 in words is "four billion, four hundred seventy-five million, three hundred thirty-three thousand, nine hundred eighty-one".