204631635453 has 16 divisors (see below), whose sum is σ = 315576500736. Its totient is φ = 115523538480.

The previous prime is 204631635431. The next prime is 204631635457. The reversal of 204631635453 is 354536136402.

It is not a de Polignac number, because 204631635453 - 2⁶ = 204631635389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204631635457) 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, 58699243 + ... + 58702728.

It is an arithmetic number, because the mean of its divisors is an integer number (19723531296).

Almost surely, 2^204631635453 is an apocalyptic number.

It is an amenable number.

204631635453 is a deficient number, since it is larger than the sum of its proper divisors (110944865283).

204631635453 is a wasteful number, since it uses less digits than its factorization.

204631635453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117402064.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 204631635453 in words is "two hundred four billion, six hundred thirty-one million, six hundred thirty-five thousand, four hundred fifty-three".