204765490263 has 16 divisors (see below), whose sum is σ = 289527540480. Its totient is φ = 128281708416.

The previous prime is 204765490207. The next prime is 204765490283. The reversal of 204765490263 is 362094567402.

It is not a de Polignac number, because 204765490263 - 2⁹ = 204765489751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204765490283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069793 + ... + 3135786.

It is an arithmetic number, because the mean of its divisors is an integer number (18095471280).

Almost surely, 2^204765490263 is an apocalyptic number.

204765490263 is a deficient number, since it is larger than the sum of its proper divisors (84762050217).

204765490263 is a wasteful number, since it uses less digits than its factorization.

204765490263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206246.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 204765490263 in words is "two hundred four billion, seven hundred sixty-five million, four hundred ninety thousand, two hundred sixty-three".