273148820855 has 4 divisors (see below), whose sum is σ = 327778585032. Its totient is φ = 218519056680.

The previous prime is 273148820843. The next prime is 273148820881. The reversal of 273148820855 is 558028841372.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 273148820855 - 2⁴ = 273148820839 is a prime.

It is a super-2 number, since 2×273148820855² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273148820797 and 273148820806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27314882081 + ... + 27314882090.

It is an arithmetic number, because the mean of its divisors is an integer number (81944646258).

Almost surely, 2^273148820855 is an apocalyptic number.

273148820855 is a deficient number, since it is larger than the sum of its proper divisors (54629764177).

273148820855 is an equidigital number, since it uses as much as digits as its factorization.

273148820855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54629764176.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 273148820855 in words is "two hundred seventy-three billion, one hundred forty-eight million, eight hundred twenty thousand, eight hundred fifty-five".