204245034364405 has 32 divisors (see below), whose sum is σ = 246745506562560. Its totient is φ = 162298452449280.

The previous prime is 204245034364367. The next prime is 204245034364409. The reversal of 204245034364405 is 504463430542402.

It is a happy number.

204245034364405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204245034364405 - 2⁷ = 204245034364277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204245034364409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1080950319 + ... + 1081139251.

It is an arithmetic number, because the mean of its divisors is an integer number (7710797080080).

Almost surely, 2^{204245034364405} is an apocalyptic number.

It is an amenable number.

204245034364405 is a deficient number, since it is larger than the sum of its proper divisors (42500472198155).

204245034364405 is a wasteful number, since it uses less digits than its factorization.

204245034364405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191181.

The product of its (nonzero) digits is 5529600, while the sum is 46.

The spelling of 204245034364405 in words is "two hundred four trillion, two hundred forty-five billion, thirty-four million, three hundred sixty-four thousand, four hundred five".