11274334549 has 2 divisors, whose sum is σ = 11274334550. Its totient is φ = 11274334548.

The previous prime is 11274334531. The next prime is 11274334559. The reversal of 11274334549 is 94543347211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9007908100 + 2266426449 = 94910^2 + 47607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11274334549 is a prime.

It is a super-2 number, since 2×11274334549² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11274334559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637167274 + 5637167275.

It is an arithmetic number, because the mean of its divisors is an integer number (5637167275).

Almost surely, 2^11274334549 is an apocalyptic number.

It is an amenable number.

11274334549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11274334549 is an equidigital number, since it uses as much as digits as its factorization.

11274334549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The spelling of 11274334549 in words is "eleven billion, two hundred seventy-four million, three hundred thirty-four thousand, five hundred forty-nine".