428106069635 has 8 divisors (see below), whose sum is σ = 518528473776. Its totient is φ = 339284062240.

The previous prime is 428106069631. The next prime is 428106069647. The reversal of 428106069635 is 536960601824.

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

It is not a de Polignac number, because 428106069635 - 2² = 428106069631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428106069631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400098596 + ... + 400099665.

It is an arithmetic number, because the mean of its divisors is an integer number (64816059222).

Almost surely, 2^428106069635 is an apocalyptic number.

428106069635 is a deficient number, since it is larger than the sum of its proper divisors (90422404141).

428106069635 is a wasteful number, since it uses less digits than its factorization.

428106069635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800198373.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 428106069635 in words is "four hundred twenty-eight billion, one hundred six million, sixty-nine thousand, six hundred thirty-five".