428106630337 has 4 divisors (see below), whose sum is σ = 453289373316. Its totient is φ = 402923887360.

The previous prime is 428106630293. The next prime is 428106630361. The reversal of 428106630337 is 733036601824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154829658256 + 273276972081 = 393484^2 + 522759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428106630337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428106630293 and 428106630302.

It is not an unprimeable number, because it can be changed into a prime (428106630037) 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, 12591371464 + ... + 12591371497.

It is an arithmetic number, because the mean of its divisors is an integer number (113322343329).

Almost surely, 2^428106630337 is an apocalyptic number.

It is an amenable number.

428106630337 is a deficient number, since it is larger than the sum of its proper divisors (25182742979).

428106630337 is a wasteful number, since it uses less digits than its factorization.

428106630337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25182742978.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 428106630337 in words is "four hundred twenty-eight billion, one hundred six million, six hundred thirty thousand, three hundred thirty-seven".