549372911 has 2 divisors, whose sum is σ = 549372912. Its totient is φ = 549372910.

The previous prime is 549372869. The next prime is 549372913. The reversal of 549372911 is 119273945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549372911 - 2⁶ = 549372847 is a prime.

It is a super-2 number, since 2×549372911² = 603621190681227842, which contains 22 as substring.

Together with 549372913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549372913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274686455 + 274686456.

It is an arithmetic number, because the mean of its divisors is an integer number (274686456).

Almost surely, 2^549372911 is an apocalyptic number.

549372911 is a deficient number, since it is larger than the sum of its proper divisors (1).

549372911 is an equidigital number, since it uses as much as digits as its factorization.

549372911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 549372911 is about 23438.7054036694. The cubic root of 549372911 is about 819.0097659055.

The spelling of 549372911 in words is "five hundred forty-nine million, three hundred seventy-two thousand, nine hundred eleven".