272745457331 has 2 divisors, whose sum is σ = 272745457332. Its totient is φ = 272745457330.

The previous prime is 272745457291. The next prime is 272745457333. The reversal of 272745457331 is 133754547272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272745457331 is a prime.

It is a super-2 number, since 2×272745457331² (a number of 24 digits) contains 22 as substring.

Together with 272745457333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272745457331.

It is not a weakly prime, because it can be changed into another prime (272745457333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136372728665 + 136372728666.

It is an arithmetic number, because the mean of its divisors is an integer number (136372728666).

Almost surely, 2^272745457331 is an apocalyptic number.

272745457331 is a deficient number, since it is larger than the sum of its proper divisors (1).

272745457331 is an equidigital number, since it uses as much as digits as its factorization.

272745457331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 50.

The spelling of 272745457331 in words is "two hundred seventy-two billion, seven hundred forty-five million, four hundred fifty-seven thousand, three hundred thirty-one".