52428799799 has 4 divisors (see below), whose sum is σ = 55512846864. Its totient is φ = 49344752736.

The previous prime is 52428799771. The next prime is 52428799807. The reversal of 52428799799 is 99799782425.

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

It is a cyclic number.

It is not a de Polignac number, because 52428799799 - 2²⁰ = 52427751223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52428799739) 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, 1542023507 + ... + 1542023540.

It is an arithmetic number, because the mean of its divisors is an integer number (13878211716).

Almost surely, 2^52428799799 is an apocalyptic number.

52428799799 is a deficient number, since it is larger than the sum of its proper divisors (3084047065).

52428799799 is a wasteful number, since it uses less digits than its factorization.

52428799799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084047064.

The product of its digits is 205752960, while the sum is 71.

The spelling of 52428799799 in words is "fifty-two billion, four hundred twenty-eight million, seven hundred ninety-nine thousand, seven hundred ninety-nine".