2549782879452 has 72 divisors (see below), whose sum is σ = 6620157145056. Its totient is φ = 826872188544.

The previous prime is 2549782879447. The next prime is 2549782879471.

2549782879452 is a `hidden beast` number, since 2 + 5 + 4 + 97 + 8 + 2 + 87 + 9 + 452 = 666.

2549782879452 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13684338 + ... + 13869414.

Almost surely, 2^{2549782879452} is an apocalyptic number.

It is an amenable number.

2549782879452 is an abundant number, since it is smaller than the sum of its proper divisors (4070374265604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549782879452 is a wasteful number, since it uses less digits than its factorization.

2549782879452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195467 (or 195462 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 2549782879452 in words is "two trillion, five hundred forty-nine billion, seven hundred eighty-two million, eight hundred seventy-nine thousand, four hundred fifty-two".