7649521382 has 16 divisors (see below), whose sum is σ = 12229706592. Its totient is φ = 3575932800.

The previous prime is 7649521379. The next prime is 7649521393. The reversal of 7649521382 is 2831259467.

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, 739853 + ... + 750120.

It is an arithmetic number, because the mean of its divisors is an integer number (764356662).

Almost surely, 2^7649521382 is an apocalyptic number.

7649521382 is a deficient number, since it is larger than the sum of its proper divisors (4580185210).

7649521382 is a wasteful number, since it uses less digits than its factorization.

7649521382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490143.

The product of its digits is 725760, while the sum is 47.

The square root of 7649521382 is about 87461.5423028888. The cubic root of 7649521382 is about 1970.3562431327.

The spelling of 7649521382 in words is "seven billion, six hundred forty-nine million, five hundred twenty-one thousand, three hundred eighty-two".