4004564523361 has 4 divisors (see below), whose sum is σ = 4004726146324. Its totient is φ = 4004402900400.

The previous prime is 4004564523347. The next prime is 4004564523371. The reversal of 4004564523361 is 1633254654004.

It is a happy number.

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 1147683690000 + 2856880833361 = 1071300^2 + 1690231^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004564523361 - 2¹⁷ = 4004564392289 is a prime.

It is a super-2 number, since 2×4004564523361² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4004564523301) 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 3 ways as a sum of consecutive naturals, for example, 80774310 + ... + 80823871.

It is an arithmetic number, because the mean of its divisors is an integer number (1001181536581).

Almost surely, 2^{4004564523361} is an apocalyptic number.

It is an amenable number.

4004564523361 is a deficient number, since it is larger than the sum of its proper divisors (161622963).

4004564523361 is a wasteful number, since it uses less digits than its factorization.

4004564523361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161622962.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 4004564523361 in words is "four trillion, four billion, five hundred sixty-four million, five hundred twenty-three thousand, three hundred sixty-one".