272138484343 has 24 divisors (see below), whose sum is σ = 309723654240. Its totient is φ = 238650350400.

The previous prime is 272138484301. The next prime is 272138484349. The reversal of 272138484343 is 343484831272.

It is a de Polignac number, because none of the positive numbers 2^k-272138484343 is a prime.

It is a super-2 number, since 2×272138484343² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272138484349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3884838 + ... + 3954268.

It is an arithmetic number, because the mean of its divisors is an integer number (12905152260).

Almost surely, 2^272138484343 is an apocalyptic number.

272138484343 is a deficient number, since it is larger than the sum of its proper divisors (37585169897).

272138484343 is a wasteful number, since it uses less digits than its factorization.

272138484343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70599 (or 70588 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 49.

The spelling of 272138484343 in words is "two hundred seventy-two billion, one hundred thirty-eight million, four hundred eighty-four thousand, three hundred forty-three".