204207613453 has 2 divisors, whose sum is σ = 204207613454. Its totient is φ = 204207613452.

The previous prime is 204207613427. The next prime is 204207613471. The reversal of 204207613453 is 354316702402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172156946724 + 32050666729 = 414918^2 + 179027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204207613453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204207613403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102103806726 + 102103806727.

It is an arithmetic number, because the mean of its divisors is an integer number (102103806727).

Almost surely, 2^204207613453 is an apocalyptic number.

It is an amenable number.

204207613453 is a deficient number, since it is larger than the sum of its proper divisors (1).

204207613453 is an equidigital number, since it uses as much as digits as its factorization.

204207613453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 204207613453 in words is "two hundred four billion, two hundred seven million, six hundred thirteen thousand, four hundred fifty-three".