428106637211 has 8 divisors (see below), whose sum is σ = 467095636800. Its totient is φ = 389129340040.

The previous prime is 428106637193. The next prime is 428106637267. The reversal of 428106637211 is 112736601824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428106637211 is a prime.

It is a super-2 number, since 2×428106637211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428106637271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849021 + ... + 2995518.

It is an arithmetic number, because the mean of its divisors is an integer number (58386954600).

Almost surely, 2^428106637211 is an apocalyptic number.

428106637211 is a deficient number, since it is larger than the sum of its proper divisors (38988999589).

428106637211 is a wasteful number, since it uses less digits than its factorization.

428106637211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851209.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 428106637211 in words is "four hundred twenty-eight billion, one hundred six million, six hundred thirty-seven thousand, two hundred eleven".