3545065870281 has 24 divisors (see below), whose sum is σ = 5547568178880. Its totient is φ = 2168515637856.

The previous prime is 3545065870163. The next prime is 3545065870301. The reversal of 3545065870281 is 1820785605453.

3545065870281 is a `hidden beast` number, since 3 + 5 + 4 + 50 + 6 + 587 + 0 + 2 + 8 + 1 = 666.

3545065870281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3545065870281 - 2¹³ = 3545065862089 is a prime.

It is a super-2 number, since 2×3545065870281² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3545065870681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90698151 + ... + 90737228.

It is an arithmetic number, because the mean of its divisors is an integer number (231148674120).

Almost surely, 2^{3545065870281} is an apocalyptic number.

It is an amenable number.

3545065870281 is a deficient number, since it is larger than the sum of its proper divisors (2002502308599).

3545065870281 is a wasteful number, since it uses less digits than its factorization.

3545065870281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181435565 (or 181435562 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 3545065870281 in words is "three trillion, five hundred forty-five billion, sixty-five million, eight hundred seventy thousand, two hundred eighty-one".