523545534542644 has 12 divisors (see below), whose sum is σ = 916285061412000. Its totient is φ = 261749802710648.

The previous prime is 523545534542627. The next prime is 523545534542651. The reversal of 523545534542644 is 446245435545325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5741088874 + ... + 5741180065.

It is an arithmetic number, because the mean of its divisors is an integer number (76357088451000).

Almost surely, 2^{523545534542644} is an apocalyptic number.

It is an amenable number.

523545534542644 is a deficient number, since it is larger than the sum of its proper divisors (392739526869356).

523545534542644 is a wasteful number, since it uses less digits than its factorization.

523545534542644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11482280342 (or 11482280340 counting only the distinct ones).

The product of its digits is 691200000, while the sum is 61.

The spelling of 523545534542644 in words is "five hundred twenty-three trillion, five hundred forty-five billion, five hundred thirty-four million, five hundred forty-two thousand, six hundred forty-four".