428106630309 has 32 divisors (see below), whose sum is σ = 604032768000. Its totient is φ = 268954043904.

The previous prime is 428106630293. The next prime is 428106630361. The reversal of 428106630309 is 903036601824.

It is not a de Polignac number, because 428106630309 - 2⁴ = 428106630293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106630109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12638854 + ... + 12672680.

It is an arithmetic number, because the mean of its divisors is an integer number (18876024000).

Almost surely, 2^428106630309 is an apocalyptic number.

It is an amenable number.

428106630309 is a deficient number, since it is larger than the sum of its proper divisors (175926137691).

428106630309 is a wasteful number, since it uses less digits than its factorization.

428106630309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35017.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 428106630309 in words is "four hundred twenty-eight billion, one hundred six million, six hundred thirty thousand, three hundred nine".