204534839683 has 2 divisors, whose sum is σ = 204534839684. Its totient is φ = 204534839682.

The previous prime is 204534839681. The next prime is 204534839753. The reversal of 204534839683 is 386938435402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204534839683 - 2¹ = 204534839681 is a prime.

Together with 204534839681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204534839681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102267419841 + 102267419842.

It is an arithmetic number, because the mean of its divisors is an integer number (102267419842).

Almost surely, 2^204534839683 is an apocalyptic number.

204534839683 is a deficient number, since it is larger than the sum of its proper divisors (1).

204534839683 is an equidigital number, since it uses as much as digits as its factorization.

204534839683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 204534839683 in words is "two hundred four billion, five hundred thirty-four million, eight hundred thirty-nine thousand, six hundred eighty-three".