6645983414 has 8 divisors (see below), whose sum is σ = 11393114448. Its totient is φ = 2848278600.

The previous prime is 6645983339. The next prime is 6645983429. The reversal of 6645983414 is 4143895466.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 237356537 + ... + 237356564.

It is an arithmetic number, because the mean of its divisors is an integer number (1424139306).

Almost surely, 2^6645983414 is an apocalyptic number.

6645983414 is a deficient number, since it is larger than the sum of its proper divisors (4747131034).

6645983414 is a wasteful number, since it uses less digits than its factorization.

6645983414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474713110.

The product of its digits is 2488320, while the sum is 50.

The square root of 6645983414 is about 81522.9011628021. The cubic root of 6645983414 is about 1880.1236728284.

The spelling of 6645983414 in words is "six billion, six hundred forty-five million, nine hundred eighty-three thousand, four hundred fourteen".