273226840949 has 2 divisors, whose sum is σ = 273226840950. Its totient is φ = 273226840948.

The previous prime is 273226840877. The next prime is 273226840951. The reversal of 273226840949 is 949048622372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268603792900 + 4623048049 = 518270^2 + 67993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273226840949 is a prime.

It is a super-2 number, since 2×273226840949² (a number of 24 digits) contains 22 as substring.

Together with 273226840951, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 273226840894 and 273226840903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273226840979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136613420474 + 136613420475.

It is an arithmetic number, because the mean of its divisors is an integer number (136613420475).

Almost surely, 2^273226840949 is an apocalyptic number.

It is an amenable number.

273226840949 is a deficient number, since it is larger than the sum of its proper divisors (1).

273226840949 is an equidigital number, since it uses as much as digits as its factorization.

273226840949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 273226840949 in words is "two hundred seventy-three billion, two hundred twenty-six million, eight hundred forty thousand, nine hundred forty-nine".