273509883136 has 144 divisors (see below), whose sum is σ = 654638322688. Its totient is φ = 111576268800.

The previous prime is 273509883089. The next prime is 273509883137. The reversal of 273509883136 is 631388905372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273509883137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348316 + ... + 3429028.

Almost surely, 2^273509883136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273509883136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327319161344).

273509883136 is an abundant number, since it is smaller than the sum of its proper divisors (381128439552).

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

273509883136 is an equidigital number, since it uses as much as digits as its factorization.

273509883136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80828 (or 80814 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 273509883136 in words is "two hundred seventy-three billion, five hundred nine million, eight hundred eighty-three thousand, one hundred thirty-six".