52238121389 has 2 divisors, whose sum is σ = 52238121390. Its totient is φ = 52238121388.

The previous prime is 52238121379. The next prime is 52238121401. The reversal of 52238121389 is 98312183225.

52238121389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44233240489 + 8004880900 = 210317^2 + 89470^2 .

It is a cyclic number.

It is not a de Polignac number, because 52238121389 - 2²⁴ = 52221344173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52238121379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26119060694 + 26119060695.

It is an arithmetic number, because the mean of its divisors is an integer number (26119060695).

Almost surely, 2^52238121389 is an apocalyptic number.

It is an amenable number.

52238121389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52238121389 is an equidigital number, since it uses as much as digits as its factorization.

52238121389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The spelling of 52238121389 in words is "fifty-two billion, two hundred thirty-eight million, one hundred twenty-one thousand, three hundred eighty-nine".