273621665364 has 24 divisors (see below), whose sum is σ = 638620143168. Its totient is φ = 91182994560.

The previous prime is 273621665363. The next prime is 273621665413. The reversal of 273621665364 is 463566126372.

273621665364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273621665363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2981317 + ... + 3071724.

It is an arithmetic number, because the mean of its divisors is an integer number (26609172632).

Almost surely, 2^273621665364 is an apocalyptic number.

It is an amenable number.

273621665364 is an abundant number, since it is smaller than the sum of its proper divisors (364998477804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273621665364 is a wasteful number, since it uses less digits than its factorization.

273621665364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056815 (or 6056813 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 51.

The spelling of 273621665364 in words is "two hundred seventy-three billion, six hundred twenty-one million, six hundred sixty-five thousand, three hundred sixty-four".