428106082639 has 2 divisors, whose sum is σ = 428106082640. Its totient is φ = 428106082638.

The previous prime is 428106082627. The next prime is 428106082697. The reversal of 428106082639 is 936280601824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428106082639 - 2¹⁵ = 428106049871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428106082592 and 428106082601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428106052639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214053041319 + 214053041320.

It is an arithmetic number, because the mean of its divisors is an integer number (214053041320).

Almost surely, 2^428106082639 is an apocalyptic number.

428106082639 is a deficient number, since it is larger than the sum of its proper divisors (1).

428106082639 is an equidigital number, since it uses as much as digits as its factorization.

428106082639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 428106082639 in words is "four hundred twenty-eight billion, one hundred six million, eighty-two thousand, six hundred thirty-nine".