201843290957453 has 2 divisors, whose sum is σ = 201843290957454. Its totient is φ = 201843290957452.

The previous prime is 201843290957423. The next prime is 201843290957471. The reversal of 201843290957453 is 354759092348102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141452083449769 + 60391207507684 = 11893363^2 + 7771178^2 .

It is a cyclic number.

It is not a de Polignac number, because 201843290957453 - 2¹⁰ = 201843290956429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201843290957423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100921645478726 + 100921645478727.

It is an arithmetic number, because the mean of its divisors is an integer number (100921645478727).

Almost surely, 2^{201843290957453} is an apocalyptic number.

It is an amenable number.

201843290957453 is a deficient number, since it is larger than the sum of its proper divisors (1).

201843290957453 is an equidigital number, since it uses as much as digits as its factorization.

201843290957453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 201843290957453 in words is "two hundred one trillion, eight hundred forty-three billion, two hundred ninety million, nine hundred fifty-seven thousand, four hundred fifty-three".