3775242249 has 15 divisors (see below), whose sum is σ = 5640385597. Its totient is φ = 2516459508.

The previous prime is 3775242223. The next prime is 3775242257. The reversal of 3775242249 is 9422425773.

The square root of 3775242249 is 61443.

It is a perfect power (a square), and thus also a powerful number.

3775242249 is a `hidden beast` number, since 377 + 52 + 4 + 224 + 9 = 666.

It is not a de Polignac number, because 3775242249 - 2⁹ = 3775241737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3775242209) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 549574 + ... + 556400.

Almost surely, 2^3775242249 is an apocalyptic number.

3775242249 is the 61443-rd square number.

3775242249 is the 30722-nd centered octagonal number.

It is an amenable number.

3775242249 is a deficient number, since it is larger than the sum of its proper divisors (1865143348).

3775242249 is an frugal number, since it uses more digits than its factorization.

3775242249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13666 (or 6830 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The cubic root of 3775242249 is about 1557.0943954710.

The spelling of 3775242249 in words is "three billion, seven hundred seventy-five million, two hundred forty-two thousand, two hundred forty-nine".