428342430706 has 8 divisors (see below), whose sum is σ = 644165353260. Its totient is φ = 213620646288.

The previous prime is 428342430697. The next prime is 428342430731. The reversal of 428342430706 is 607034243824.

It can be written as a sum of positive squares in 2 ways, for example, as 415626485481 + 12715945225 = 644691^2 + 112765^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 275283561 + ... + 275285116.

Almost surely, 2^428342430706 is an apocalyptic number.

428342430706 is a deficient number, since it is larger than the sum of its proper divisors (215822922554).

428342430706 is a wasteful number, since it uses less digits than its factorization.

428342430706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550569068.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 428342430706 in words is "four hundred twenty-eight billion, three hundred forty-two million, four hundred thirty thousand, seven hundred six".