163453203364313 has 2 divisors, whose sum is σ = 163453203364314. Its totient is φ = 163453203364312.

The previous prime is 163453203364291. The next prime is 163453203364369. The reversal of 163453203364313 is 313463302354361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130996448655424 + 32456754708889 = 11445368^2 + 5697083^2 .

It is a cyclic number.

It is not a de Polignac number, because 163453203364313 - 2³⁰ = 163452129622489 is a prime.

It is not a weakly prime, because it can be changed into another prime (163453203364813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81726601682156 + 81726601682157.

It is an arithmetic number, because the mean of its divisors is an integer number (81726601682157).

Almost surely, 2^{163453203364313} is an apocalyptic number.

It is an amenable number.

163453203364313 is a deficient number, since it is larger than the sum of its proper divisors (1).

163453203364313 is an equidigital number, since it uses as much as digits as its factorization.

163453203364313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 47.

The spelling of 163453203364313 in words is "one hundred sixty-three trillion, four hundred fifty-three billion, two hundred three million, three hundred sixty-four thousand, three hundred thirteen".