273540864843 has 12 divisors (see below), whose sum is σ = 395322452928. Its totient is φ = 182264636400.

The previous prime is 273540864811. The next prime is 273540864859. The reversal of 273540864843 is 348468045372.

It is not a de Polignac number, because 273540864843 - 2⁵ = 273540864811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273540864843.

It is not an unprimeable number, because it can be changed into a prime (273540864803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7976955 + ... + 8011172.

It is an arithmetic number, because the mean of its divisors is an integer number (32943537744).

Almost surely, 2^273540864843 is an apocalyptic number.

273540864843 is a deficient number, since it is larger than the sum of its proper divisors (121781588085).

273540864843 is a wasteful number, since it uses less digits than its factorization.

273540864843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990034 (or 15990031 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 273540864843 in words is "two hundred seventy-three billion, five hundred forty million, eight hundred sixty-four thousand, eight hundred forty-three".