273771493 has 2 divisors, whose sum is σ = 273771494. Its totient is φ = 273771492.

The previous prime is 273771457. The next prime is 273771499. The reversal of 273771493 is 394177372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197767969 + 76003524 = 14063^2 + 8718^2 .

It is a cyclic number.

It is not a de Polignac number, because 273771493 - 2²¹ = 271674341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273771499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136885746 + 136885747.

It is an arithmetic number, because the mean of its divisors is an integer number (136885747).

Almost surely, 2^273771493 is an apocalyptic number.

It is an amenable number.

273771493 is a deficient number, since it is larger than the sum of its proper divisors (1).

273771493 is an equidigital number, since it uses as much as digits as its factorization.

273771493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 43.

The square root of 273771493 is about 16546.0416112132. The cubic root of 273771493 is about 649.3259228918.

The spelling of 273771493 in words is "two hundred seventy-three million, seven hundred seventy-one thousand, four hundred ninety-three".