52687136839 has 2 divisors, whose sum is σ = 52687136840. Its totient is φ = 52687136838.

The previous prime is 52687136837. The next prime is 52687136917. The reversal of 52687136839 is 93863178625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52687136839 - 2¹ = 52687136837 is a prime.

Together with 52687136837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52687136833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26343568419 + 26343568420.

It is an arithmetic number, because the mean of its divisors is an integer number (26343568420).

Almost surely, 2^52687136839 is an apocalyptic number.

52687136839 is a deficient number, since it is larger than the sum of its proper divisors (1).

52687136839 is an equidigital number, since it uses as much as digits as its factorization.

52687136839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The spelling of 52687136839 in words is "fifty-two billion, six hundred eighty-seven million, one hundred thirty-six thousand, eight hundred thirty-nine".