6647612383 has 4 divisors (see below), whose sum is σ = 6677422528. Its totient is φ = 6617802240.

The previous prime is 6647612269. The next prime is 6647612399. The reversal of 6647612383 is 3832167466.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6647612383 - 2²⁹ = 6110741471 is a prime.

It is a super-2 number, since 2×6647612383² = 88381500789229877378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6647612183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14904738 + ... + 14905183.

It is an arithmetic number, because the mean of its divisors is an integer number (1669355632).

Almost surely, 2^6647612383 is an apocalyptic number.

6647612383 is a deficient number, since it is larger than the sum of its proper divisors (29810145).

6647612383 is a wasteful number, since it uses less digits than its factorization.

6647612383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29810144.

The product of its digits is 870912, while the sum is 46.

The square root of 6647612383 is about 81532.8914181265. The cubic root of 6647612383 is about 1880.2772700112.

The spelling of 6647612383 in words is "six billion, six hundred forty-seven million, six hundred twelve thousand, three hundred eighty-three".