2549271998893 has 4 divisors (see below), whose sum is σ = 2551788556668. Its totient is φ = 2546755441120.

The previous prime is 2549271998837. The next prime is 2549271998939. The reversal of 2549271998893 is 3988991729452.

2549271998893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1124622072324 + 1424649926569 = 1060482^2 + 1193587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549271998893 - 2²¹ = 2549269901741 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 (2549271996893) 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, 1258277368 + ... + 1258279393.

It is an arithmetic number, because the mean of its divisors is an integer number (637947139167).

Almost surely, 2^{2549271998893} is an apocalyptic number.

It is an amenable number.

2549271998893 is a deficient number, since it is larger than the sum of its proper divisors (2516557775).

2549271998893 is a wasteful number, since it uses less digits than its factorization.

2549271998893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516557774.

The product of its digits is 705438720, while the sum is 76.

The spelling of 2549271998893 in words is "two trillion, five hundred forty-nine billion, two hundred seventy-one million, nine hundred ninety-eight thousand, eight hundred ninety-three".