6623140533 has 8 divisors (see below), whose sum is σ = 9046240896. Its totient is φ = 4307733600.

The previous prime is 6623140523. The next prime is 6623140561. The reversal of 6623140533 is 3350413266.

6623140533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-6623140533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6623140494 and 6623140503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623140523) 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, 26923213 + ... + 26923458.

It is an arithmetic number, because the mean of its divisors is an integer number (1130780112).

Almost surely, 2^6623140533 is an apocalyptic number.

It is an amenable number.

6623140533 is a deficient number, since it is larger than the sum of its proper divisors (2423100363).

6623140533 is a wasteful number, since it uses less digits than its factorization.

6623140533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53846715.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 6623140533 is about 81382.6795638974. The cubic root of 6623140533 is about 1877.9671452117.

Adding to 6623140533 its reverse (3350413266), we get a palindrome (9973553799).

The spelling of 6623140533 in words is "six billion, six hundred twenty-three million, one hundred forty thousand, five hundred thirty-three".