7649549379 has 12 divisors (see below), whose sum is σ = 11051167296. Its totient is φ = 5098860432.

The previous prime is 7649549353. The next prime is 7649549407. The reversal of 7649549379 is 9739459467.

7649549379 is a `hidden beast` number, since 76 + 4 + 9 + 5 + 493 + 79 = 666.

It is not a de Polignac number, because 7649549379 - 2¹¹ = 7649547331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7649549309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9444 + ... + 124049.

It is an arithmetic number, because the mean of its divisors is an integer number (920930608).

Almost surely, 2^7649549379 is an apocalyptic number.

7649549379 is a deficient number, since it is larger than the sum of its proper divisors (3401617917).

7649549379 is a wasteful number, since it uses less digits than its factorization.

7649549379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139866 (or 139863 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The square root of 7649549379 is about 87461.7023559455. The cubic root of 7649549379 is about 1970.3586469431.

The spelling of 7649549379 in words is "seven billion, six hundred forty-nine million, five hundred forty-nine thousand, three hundred seventy-nine".