204524121239 has 2 divisors, whose sum is σ = 204524121240. Its totient is φ = 204524121238.

The previous prime is 204524121133. The next prime is 204524121257. The reversal of 204524121239 is 932121425402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204524121239 - 2¹² = 204524117143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204524121199 and 204524121208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204524129239) 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, 102262060619 + 102262060620.

It is an arithmetic number, because the mean of its divisors is an integer number (102262060620).

Almost surely, 2^204524121239 is an apocalyptic number.

204524121239 is a deficient number, since it is larger than the sum of its proper divisors (1).

204524121239 is an equidigital number, since it uses as much as digits as its factorization.

204524121239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 204524121239 in words is "two hundred four billion, five hundred twenty-four million, one hundred twenty-one thousand, two hundred thirty-nine".