3545986281 has 8 divisors (see below), whose sum is σ = 4891015680. Its totient is φ = 2282473872.

The previous prime is 3545986277. The next prime is 3545986309. The reversal of 3545986281 is 1826895453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3545986281 - 2² = 3545986277 is a prime.

It is a super-2 number, since 2×3545986281² = 25148037410080421922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3545986201) 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 in 7 ways as a sum of consecutive naturals, for example, 20379145 + ... + 20379318.

It is an arithmetic number, because the mean of its divisors is an integer number (611376960).

Almost surely, 2^3545986281 is an apocalyptic number.

It is an amenable number.

3545986281 is a deficient number, since it is larger than the sum of its proper divisors (1345029399).

3545986281 is a wasteful number, since it uses less digits than its factorization.

3545986281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40758495.

The product of its digits is 2073600, while the sum is 51.

The square root of 3545986281 is about 59548.1845315204. The cubic root of 3545986281 is about 1524.9151658981.

The spelling of 3545986281 in words is "three billion, five hundred forty-five million, nine hundred eighty-six thousand, two hundred eighty-one".