204825769745 has 16 divisors (see below), whose sum is σ = 258506836992. Its totient is φ = 155582806080.

The previous prime is 204825769717. The next prime is 204825769801. The reversal of 204825769745 is 547967528402.

It is not a de Polignac number, because 204825769745 - 2¹² = 204825765649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12458357 + ... + 12474786.

It is an arithmetic number, because the mean of its divisors is an integer number (16156677312).

Almost surely, 2^204825769745 is an apocalyptic number.

It is an amenable number.

204825769745 is a deficient number, since it is larger than the sum of its proper divisors (53681067247).

204825769745 is a wasteful number, since it uses less digits than its factorization.

204825769745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24933232.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 204825769745 in words is "two hundred four billion, eight hundred twenty-five million, seven hundred sixty-nine thousand, seven hundred forty-five".