2549881417 has 8 divisors (see below), whose sum is σ = 2593987200. Its totient is φ = 2506119264.

The previous prime is 2549881387. The next prime is 2549881423. The reversal of 2549881417 is 7141889452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2549881417 - 2¹¹ = 2549879369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2549881457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70917 + ... + 100642.

It is an arithmetic number, because the mean of its divisors is an integer number (324248400).

Almost surely, 2^2549881417 is an apocalyptic number.

It is an amenable number.

2549881417 is a deficient number, since it is larger than the sum of its proper divisors (44105783).

2549881417 is a wasteful number, since it uses less digits than its factorization.

2549881417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171815.

The product of its digits is 645120, while the sum is 49.

The square root of 2549881417 is about 50496.3505314988. The cubic root of 2549881417 is about 1366.1760302335.

The spelling of 2549881417 in words is "two billion, five hundred forty-nine million, eight hundred eighty-one thousand, four hundred seventeen".