3535487981 has 2 divisors, whose sum is σ = 3535487982. Its totient is φ = 3535487980.

The previous prime is 3535487971. The next prime is 3535488001. The reversal of 3535487981 is 1897845353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3123803881 + 411684100 = 55891^2 + 20290^2 .

It is a cyclic number.

It is not a de Polignac number, because 3535487981 - 2²² = 3531293677 is a prime.

It is a super-2 number, since 2×3535487981² = 24999350527590912722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3535487971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767743990 + 1767743991.

It is an arithmetic number, because the mean of its divisors is an integer number (1767743991).

Almost surely, 2^3535487981 is an apocalyptic number.

It is an amenable number.

3535487981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3535487981 is an equidigital number, since it uses as much as digits as its factorization.

3535487981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 3535487981 is about 59459.9695677689. The cubic root of 3535487981 is about 1523.4087827653.

The spelling of 3535487981 in words is "three billion, five hundred thirty-five million, four hundred eighty-seven thousand, nine hundred eighty-one".