3675033466581 has 4 divisors (see below), whose sum is σ = 4900044622112. Its totient is φ = 2450022311052.

The previous prime is 3675033466483. The next prime is 3675033466583. The reversal of 3675033466581 is 1856643305763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3675033466581 - 2¹⁹ = 3675032942293 is a prime.

It is a super-2 number, since 2×3675033466581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3675033466583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612505577761 + ... + 612505577766.

It is an arithmetic number, because the mean of its divisors is an integer number (1225011155528).

Almost surely, 2^{3675033466581} is an apocalyptic number.

It is an amenable number.

3675033466581 is a deficient number, since it is larger than the sum of its proper divisors (1225011155531).

3675033466581 is a wasteful number, since it uses less digits than its factorization.

3675033466581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225011155530.

The product of its (nonzero) digits is 32659200, while the sum is 57.

The spelling of 3675033466581 in words is "three trillion, six hundred seventy-five billion, thirty-three million, four hundred sixty-six thousand, five hundred eighty-one".