3604044645133 has 4 divisors (see below), whose sum is σ = 3672045487548. Its totient is φ = 3536043802720.

The previous prime is 3604044645127. The next prime is 3604044645137. The reversal of 3604044645133 is 3315464404063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2445414143524 + 1158630501609 = 1563782^2 + 1076397^2 .

It is a cyclic number.

It is not a de Polignac number, because 3604044645133 - 2⁴¹ = 1405021389581 is a prime.

It is a super-2 number, since 2×3604044645133² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3604044645133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3604044645137) 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, 34000421128 + ... + 34000421233.

It is an arithmetic number, because the mean of its divisors is an integer number (918011371887).

Almost surely, 2^{3604044645133} is an apocalyptic number.

It is an amenable number.

3604044645133 is a deficient number, since it is larger than the sum of its proper divisors (68000842415).

3604044645133 is an equidigital number, since it uses as much as digits as its factorization.

3604044645133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68000842414.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 3604044645133 in words is "three trillion, six hundred four billion, forty-four million, six hundred forty-five thousand, one hundred thirty-three".