204223134552179 has 2 divisors, whose sum is σ = 204223134552180. Its totient is φ = 204223134552178.

The previous prime is 204223134552133. The next prime is 204223134552211. The reversal of 204223134552179 is 971255431322402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204223134552179 - 2¹⁶ = 204223134486643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (204223134552779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102111567276089 + 102111567276090.

It is an arithmetic number, because the mean of its divisors is an integer number (102111567276090).

Almost surely, 2^{204223134552179} is an apocalyptic number.

204223134552179 is a deficient number, since it is larger than the sum of its proper divisors (1).

204223134552179 is an equidigital number, since it uses as much as digits as its factorization.

204223134552179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 204223134552179 in words is "two hundred four trillion, two hundred twenty-three billion, one hundred thirty-four million, five hundred fifty-two thousand, one hundred seventy-nine".