6618423433 has 8 divisors (see below), whose sum is σ = 6798741120. Its totient is φ = 6438181680.

The previous prime is 6618423421. The next prime is 6618423473. The reversal of 6618423433 is 3343248166.

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

It is a cyclic number.

It is not a de Polignac number, because 6618423433 - 2¹³ = 6618415241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6618423473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187998 + ... + 220408.

It is an arithmetic number, because the mean of its divisors is an integer number (849842640).

Almost surely, 2^6618423433 is an apocalyptic number.

It is an amenable number.

6618423433 is a deficient number, since it is larger than the sum of its proper divisors (180317687).

6618423433 is a wasteful number, since it uses less digits than its factorization.

6618423433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37967.

The product of its digits is 248832, while the sum is 40.

The square root of 6618423433 is about 81353.6934195369. The cubic root of 6618423433 is about 1877.5212005386.

The spelling of 6618423433 in words is "six billion, six hundred eighteen million, four hundred twenty-three thousand, four hundred thirty-three".