7641949380 has 48 divisors (see below), whose sum is σ = 23043418944. Its totient is φ = 1881095040.

The previous prime is 7641949339. The next prime is 7641949391. The reversal of 7641949380 is 839491467.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4897906 + ... + 4899465.

It is an arithmetic number, because the mean of its divisors is an integer number (480071228).

Almost surely, 2^7641949380 is an apocalyptic number.

It is an amenable number.

7641949380 is an abundant number, since it is smaller than the sum of its proper divisors (15401469564).

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

7641949380 is a wasteful number, since it uses less digits than its factorization.

7641949380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797396 (or 9797394 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 7641949380 is about 87418.2439768725. The cubic root of 7641949380 is about 1969.7058988755.

The spelling of 7641949380 in words is "seven billion, six hundred forty-one million, nine hundred forty-nine thousand, three hundred eighty".