204253500012453 has 6 divisors (see below), whose sum is σ = 295032833351334. Its totient is φ = 136169000008296.

The previous prime is 204253500012421. The next prime is 204253500012461. The reversal of 204253500012453 is 354210005352402.

204253500012453 is a `hidden beast` number, since 2 + 0 + 4 + 25 + 3 + 500 + 0 + 124 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 184680679934529 + 19572820077924 = 13589727^2 + 4424118^2 .

It is not a de Polignac number, because 204253500012453 - 2⁵ = 204253500012421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204253500010453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11347416667350 + ... + 11347416667367.

It is an arithmetic number, because the mean of its divisors is an integer number (49172138891889).

Almost surely, 2^{204253500012453} is an apocalyptic number.

It is an amenable number.

204253500012453 is a deficient number, since it is larger than the sum of its proper divisors (90779333338881).

204253500012453 is a wasteful number, since it uses less digits than its factorization.

204253500012453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22694833334723 (or 22694833334720 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 204253500012453 its reverse (354210005352402), we get a palindrome (558463505364855).

The spelling of 204253500012453 in words is "two hundred four trillion, two hundred fifty-three billion, five hundred million, twelve thousand, four hundred fifty-three".