6623355451 has 2 divisors, whose sum is σ = 6623355452. Its totient is φ = 6623355450.

The previous prime is 6623355449. The next prime is 6623355457. The reversal of 6623355451 is 1545533266.

6623355451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6623355451 - 2¹ = 6623355449 is a prime.

Together with 6623355449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6623355457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311677725 + 3311677726.

It is an arithmetic number, because the mean of its divisors is an integer number (3311677726).

Almost surely, 2^6623355451 is an apocalyptic number.

6623355451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623355451 is an equidigital number, since it uses as much as digits as its factorization.

6623355451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 40.

The square root of 6623355451 is about 81383.9999692814. Note that the first 4 decimals coincide. The cubic root of 6623355451 is about 1877.9874580615.

The spelling of 6623355451 in words is "six billion, six hundred twenty-three million, three hundred fifty-five thousand, four hundred fifty-one".