273621665363 has 2 divisors, whose sum is σ = 273621665364. Its totient is φ = 273621665362.

The previous prime is 273621665347. The next prime is 273621665413. The reversal of 273621665363 is 363566126372.

It is an a-pointer prime, because the next prime (273621665413) can be obtained adding 273621665363 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 273621665363 - 2⁴ = 273621665347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (273621661363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136810832681 + 136810832682.

It is an arithmetic number, because the mean of its divisors is an integer number (136810832682).

Almost surely, 2^273621665363 is an apocalyptic number.

273621665363 is a deficient number, since it is larger than the sum of its proper divisors (1).

273621665363 is an equidigital number, since it uses as much as digits as its factorization.

273621665363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 50.

The spelling of 273621665363 in words is "two hundred seventy-three billion, six hundred twenty-one million, six hundred sixty-five thousand, three hundred sixty-three".