2549042271 has 16 divisors (see below), whose sum is σ = 3998498400. Its totient is φ = 1599398784.

The previous prime is 2549042267. The next prime is 2549042303. The reversal of 2549042271 is 1722409452.

2549042271 is a `hidden beast` number, since 2 + 549 + 0 + 42 + 2 + 71 = 666.

It is not a de Polignac number, because 2549042271 - 2² = 2549042267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549042371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776276 + ... + 2777193.

It is an arithmetic number, because the mean of its divisors is an integer number (249906150).

Almost surely, 2^2549042271 is an apocalyptic number.

2549042271 is a deficient number, since it is larger than the sum of its proper divisors (1449456129).

2549042271 is a wasteful number, since it uses less digits than its factorization.

2549042271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553495 (or 5553489 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2549042271 is about 50488.0408710815. The cubic root of 2549042271 is about 1366.0261478474.

The spelling of 2549042271 in words is "two billion, five hundred forty-nine million, forty-two thousand, two hundred seventy-one".