2549917133 has 8 divisors (see below), whose sum is σ = 2646446880. Its totient is φ = 2453960880.

The previous prime is 2549917093. The next prime is 2549917151. The reversal of 2549917133 is 3317199452.

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 2549917133 - 2¹⁶ = 2549851597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549910133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134303 + ... + 152108.

It is an arithmetic number, because the mean of its divisors is an integer number (330805860).

Almost surely, 2^2549917133 is an apocalyptic number.

It is an amenable number.

2549917133 is a deficient number, since it is larger than the sum of its proper divisors (96529747).

2549917133 is a wasteful number, since it uses less digits than its factorization.

2549917133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286747.

The product of its digits is 204120, while the sum is 44.

The square root of 2549917133 is about 50496.7041795799. The cubic root of 2549917133 is about 1366.1824088459.

The spelling of 2549917133 in words is "two billion, five hundred forty-nine million, nine hundred seventeen thousand, one hundred thirty-three".