538855589399 has 2 divisors, whose sum is σ = 538855589400. Its totient is φ = 538855589398.

The previous prime is 538855589347. The next prime is 538855589417. The reversal of 538855589399 is 993985558835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538855589399 - 2²⁰ = 538854540823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538855589299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269427794699 + 269427794700.

It is an arithmetic number, because the mean of its divisors is an integer number (269427794700).

Almost surely, 2^538855589399 is an apocalyptic number.

538855589399 is a deficient number, since it is larger than the sum of its proper divisors (1).

538855589399 is an equidigital number, since it uses as much as digits as its factorization.

538855589399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520000, while the sum is 77.

The spelling of 538855589399 in words is "five hundred thirty-eight billion, eight hundred fifty-five million, five hundred eighty-nine thousand, three hundred ninety-nine".