2549334469 has 4 divisors (see below), whose sum is σ = 2781092160. Its totient is φ = 2317576780.

The previous prime is 2549334427. The next prime is 2549334493. The reversal of 2549334469 is 9644339452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549334469 is a prime.

It is a super-2 number, since 2×2549334469² = 12998212469663023922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549334409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115878829 + ... + 115878850.

It is an arithmetic number, because the mean of its divisors is an integer number (695273040).

Almost surely, 2^2549334469 is an apocalyptic number.

It is an amenable number.

2549334469 is a deficient number, since it is larger than the sum of its proper divisors (231757691).

2549334469 is a wasteful number, since it uses less digits than its factorization.

2549334469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231757690.

The product of its digits is 2799360, while the sum is 49.

The square root of 2549334469 is about 50490.9345229418. The cubic root of 2549334469 is about 1366.0783419416.

The spelling of 2549334469 in words is "two billion, five hundred forty-nine million, three hundred thirty-four thousand, four hundred sixty-nine".