2649521382 has 16 divisors (see below), whose sum is σ = 5442260592. Its totient is φ = 859304160.

The previous prime is 2649521353. The next prime is 2649521429. The reversal of 2649521382 is 2831259462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967169 + ... + 5967612.

It is an arithmetic number, because the mean of its divisors is an integer number (340141287).

Almost surely, 2^2649521382 is an apocalyptic number.

2649521382 is an abundant number, since it is smaller than the sum of its proper divisors (2792739210).

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

2649521382 is a wasteful number, since it uses less digits than its factorization.

2649521382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934823.

The product of its digits is 207360, while the sum is 42.

The square root of 2649521382 is about 51473.5017460441. The cubic root of 2649521382 is about 1383.7441873387.

The spelling of 2649521382 in words is "two billion, six hundred forty-nine million, five hundred twenty-one thousand, three hundred eighty-two".