272818493 has 2 divisors, whose sum is σ = 272818494. Its totient is φ = 272818492.

The previous prime is 272818487. The next prime is 272818519. The reversal of 272818493 is 394818272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153091129 + 119727364 = 12373^2 + 10942^2 .

It is a cyclic number.

It is not a de Polignac number, because 272818493 - 2¹⁶ = 272752957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272818393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136409246 + 136409247.

It is an arithmetic number, because the mean of its divisors is an integer number (136409247).

Almost surely, 2^272818493 is an apocalyptic number.

It is an amenable number.

272818493 is a deficient number, since it is larger than the sum of its proper divisors (1).

272818493 is an equidigital number, since it uses as much as digits as its factorization.

272818493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 272818493 is about 16517.2180769039. The cubic root of 272818493 is about 648.5716113141.

The spelling of 272818493 in words is "two hundred seventy-two million, eight hundred eighteen thousand, four hundred ninety-three".