7639381468 has 12 divisors (see below), whose sum is σ = 13428869440. Its totient is φ = 3802561632.

The previous prime is 7639381447. The next prime is 7639381489. The reversal of 7639381468 is 8641839367.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7639381447) and next prime (7639381489).

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, 4281273 + ... + 4283056.

Almost surely, 2^7639381468 is an apocalyptic number.

It is an amenable number.

7639381468 is a deficient number, since it is larger than the sum of its proper divisors (5789487972).

7639381468 is a wasteful number, since it uses less digits than its factorization.

7639381468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564556 (or 8564554 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 7639381468 is about 87403.5552366149. Note that the first 3 decimals coincide. The cubic root of 7639381468 is about 1969.4852484534.

The spelling of 7639381468 in words is "seven billion, six hundred thirty-nine million, three hundred eighty-one thousand, four hundred sixty-eight".