52684689479 has 4 divisors (see below), whose sum is σ = 54975328176. Its totient is φ = 50394050784.

The previous prime is 52684689439. The next prime is 52684689493. The reversal of 52684689479 is 97498648625.

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 52684689479 - 2⁸ = 52684689223 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 (52684689439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145319314 + ... + 1145319359.

It is an arithmetic number, because the mean of its divisors is an integer number (13743832044).

Almost surely, 2^52684689479 is an apocalyptic number.

52684689479 is a deficient number, since it is larger than the sum of its proper divisors (2290638697).

52684689479 is a wasteful number, since it uses less digits than its factorization.

52684689479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290638696.

The product of its digits is 209018880, while the sum is 68.

The spelling of 52684689479 in words is "fifty-two billion, six hundred eighty-four million, six hundred eighty-nine thousand, four hundred seventy-nine".