6428572417 has 4 divisors (see below), whose sum is σ = 6457400320. Its totient is φ = 6399744516.

The previous prime is 6428572399. The next prime is 6428572441. The reversal of 6428572417 is 7142758246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6428572417 is a prime.

It is a super-2 number, since 2×6428572417² = 82653086641226443778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428572817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413617 + ... + 14414062.

It is an arithmetic number, because the mean of its divisors is an integer number (1614350080).

Almost surely, 2^6428572417 is an apocalyptic number.

It is an amenable number.

6428572417 is a deficient number, since it is larger than the sum of its proper divisors (28827903).

6428572417 is a wasteful number, since it uses less digits than its factorization.

6428572417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827902.

The product of its digits is 752640, while the sum is 46.

The square root of 6428572417 is about 80178.3787376622. The cubic root of 6428572417 is about 1859.3943780207.

The spelling of 6428572417 in words is "six billion, four hundred twenty-eight million, five hundred seventy-two thousand, four hundred seventeen".