204881962063 has 4 divisors (see below), whose sum is σ = 204897848680. Its totient is φ = 204866075448.

The previous prime is 204881962037. The next prime is 204881962069. The reversal of 204881962063 is 360269188402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204881962063 - 2⁹ = 204881961551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204881961998 and 204881962016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204881962069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7923948 + ... + 7949761.

It is an arithmetic number, because the mean of its divisors is an integer number (51224462170).

Almost surely, 2^204881962063 is an apocalyptic number.

204881962063 is a deficient number, since it is larger than the sum of its proper divisors (15886617).

204881962063 is a wasteful number, since it uses less digits than its factorization.

204881962063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886616.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 204881962063 in words is "two hundred four billion, eight hundred eighty-one million, nine hundred sixty-two thousand, sixty-three".