273064552221 has 32 divisors (see below), whose sum is σ = 374883655680. Its totient is φ = 176670103104.

The previous prime is 273064552157. The next prime is 273064552231. The reversal of 273064552221 is 122255460372.

It is not a de Polignac number, because 273064552221 - 2⁶ = 273064552157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273064552221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273064552231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109093656 + ... + 109096158.

It is an arithmetic number, because the mean of its divisors is an integer number (11715114240).

Almost surely, 2^273064552221 is an apocalyptic number.

It is an amenable number.

273064552221 is a deficient number, since it is larger than the sum of its proper divisors (101819103459).

273064552221 is a wasteful number, since it uses less digits than its factorization.

273064552221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 273064552221 in words is "two hundred seventy-three billion, sixty-four million, five hundred fifty-two thousand, two hundred twenty-one".