204444864053 has 2 divisors, whose sum is σ = 204444864054. Its totient is φ = 204444864052.

The previous prime is 204444863993. The next prime is 204444864073. The reversal of 204444864053 is 350468444402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129720267889 + 74724596164 = 360167^2 + 273358^2 .

It is a cyclic number.

It is not a de Polignac number, because 204444864053 - 2⁶ = 204444863989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204444863995 and 204444864013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204444864073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102222432026 + 102222432027.

It is an arithmetic number, because the mean of its divisors is an integer number (102222432027).

Almost surely, 2^204444864053 is an apocalyptic number.

It is an amenable number.

204444864053 is a deficient number, since it is larger than the sum of its proper divisors (1).

204444864053 is an equidigital number, since it uses as much as digits as its factorization.

204444864053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 44.

The spelling of 204444864053 in words is "two hundred four billion, four hundred forty-four million, eight hundred sixty-four thousand, fifty-three".