6428317553 has 16 divisors (see below), whose sum is σ = 7572061056. Its totient is φ = 5342578560.

The previous prime is 6428317531. The next prime is 6428317561. The reversal of 6428317553 is 3557138246.

It is a cyclic number.

It is not a de Polignac number, because 6428317553 - 2⁸ = 6428317297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6428317153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21926 + ... + 115487.

It is an arithmetic number, because the mean of its divisors is an integer number (473253816).

Almost surely, 2^6428317553 is an apocalyptic number.

It is an amenable number.

6428317553 is a deficient number, since it is larger than the sum of its proper divisors (1143743503).

6428317553 is a wasteful number, since it uses less digits than its factorization.

6428317553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137624.

The product of its digits is 604800, while the sum is 44.

The square root of 6428317553 is about 80176.7893657510. The cubic root of 6428317553 is about 1859.3698054862.

The spelling of 6428317553 in words is "six billion, four hundred twenty-eight million, three hundred seventeen thousand, five hundred fifty-three".