6623142305 has 16 divisors (see below), whose sum is σ = 8606969280. Its totient is φ = 4863603648.

The previous prime is 6623142301. The next prime is 6623142313. The reversal of 6623142305 is 5032413266.

It is a cyclic number.

It is not a de Polignac number, because 6623142305 - 2² = 6623142301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6623142301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272987 + ... + 296256.

It is an arithmetic number, because the mean of its divisors is an integer number (537935580).

Almost surely, 2^6623142305 is an apocalyptic number.

6623142305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6623142305 is a deficient number, since it is larger than the sum of its proper divisors (1983826975).

6623142305 is a wasteful number, since it uses less digits than its factorization.

6623142305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569440.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 6623142305 is about 81382.6904507341. The cubic root of 6623142305 is about 1877.9673126930.

The spelling of 6623142305 in words is "six billion, six hundred twenty-three million, one hundred forty-two thousand, three hundred five".