204553562351 has 2 divisors, whose sum is σ = 204553562352. Its totient is φ = 204553562350.

The previous prime is 204553562287. The next prime is 204553562371. The reversal of 204553562351 is 153265355402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204553562351 - 2⁶ = 204553562287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204553562299 and 204553562308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204553562371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102276781175 + 102276781176.

It is an arithmetic number, because the mean of its divisors is an integer number (102276781176).

Almost surely, 2^204553562351 is an apocalyptic number.

204553562351 is a deficient number, since it is larger than the sum of its proper divisors (1).

204553562351 is an equidigital number, since it uses as much as digits as its factorization.

204553562351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 204553562351 in words is "two hundred four billion, five hundred fifty-three million, five hundred sixty-two thousand, three hundred fifty-one".