7639449368 has 16 divisors (see below), whose sum is σ = 14378435280. Its totient is φ = 3805199968.

The previous prime is 7639449329. The next prime is 7639449371. The reversal of 7639449368 is 8639449367.

It is a happy number.

It is a super-3 number, since 3×7639449368³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813355 + ... + 1817562.

It is an arithmetic number, because the mean of its divisors is an integer number (898652205).

Almost surely, 2^7639449368 is an apocalyptic number.

It is an amenable number.

7639449368 is a deficient number, since it is larger than the sum of its proper divisors (6738985912).

7639449368 is a wasteful number, since it uses less digits than its factorization.

7639449368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631186 (or 3631182 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 59.

The square root of 7639449368 is about 87403.9436638874. The cubic root of 7639449368 is about 1969.4910834656.

Subtracting 7639449368 from its reverse (8639449367), we obtain a palindrome (999999999).

The spelling of 7639449368 in words is "seven billion, six hundred thirty-nine million, four hundred forty-nine thousand, three hundred sixty-eight".