404234010545513 has 4 divisors (see below), whose sum is σ = 404234194216020. Its totient is φ = 404233826875008.

The previous prime is 404234010545507. The next prime is 404234010545621. The reversal of 404234010545513 is 315545010432404.

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 217044876748249 + 187189133797264 = 14732443^2 + 13681708^2 .

It is a cyclic number.

It is not a de Polignac number, because 404234010545513 - 2⁴⁶ = 333865266367849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404234010545713) 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, 88493420 + ... + 92949197.

It is an arithmetic number, because the mean of its divisors is an integer number (101058548554005).

Almost surely, 2^{404234010545513} is an apocalyptic number.

It is an amenable number.

404234010545513 is a deficient number, since it is larger than the sum of its proper divisors (183670507).

404234010545513 is a wasteful number, since it uses less digits than its factorization.

404234010545513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183670506.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 404234010545513 its reverse (315545010432404), we get a palindrome (719779020977917).

The spelling of 404234010545513 in words is "four hundred four trillion, two hundred thirty-four billion, ten million, five hundred forty-five thousand, five hundred thirteen".