3546845281 has 8 divisors (see below), whose sum is σ = 4078407104. Its totient is φ = 3021500880.

The previous prime is 3546845279. The next prime is 3546845287. The reversal of 3546845281 is 1825486453.

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

It is a cyclic number.

It is not a de Polignac number, because 3546845281 - 2¹ = 3546845279 is a prime.

It is a super-2 number, since 2×3546845281² = 25160222894703937922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3546845287) 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 in 7 ways as a sum of consecutive naturals, for example, 1553130 + ... + 1555411.

It is an arithmetic number, because the mean of its divisors is an integer number (509800888).

Almost surely, 2^3546845281 is an apocalyptic number.

It is an amenable number.

3546845281 is a deficient number, since it is larger than the sum of its proper divisors (531561823).

3546845281 is a wasteful number, since it uses less digits than its factorization.

3546845281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108711.

The product of its digits is 921600, while the sum is 46.

The square root of 3546845281 is about 59555.3967411854. The cubic root of 3546845281 is about 1525.0382906806.

The spelling of 3546845281 in words is "three billion, five hundred forty-six million, eight hundred forty-five thousand, two hundred eighty-one".