428064937698 has 32 divisors (see below), whose sum is σ = 856799741952. Its totient is φ = 142576722000.

The previous prime is 428064937691. The next prime is 428064937723. The reversal of 428064937698 is 896739460824.

It is not an unprimeable number, because it can be changed into a prime (428064937691) 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 15 ways as a sum of consecutive naturals, for example, 62919565 + ... + 62926367.

It is an arithmetic number, because the mean of its divisors is an integer number (26774991936).

Almost surely, 2^428064937698 is an apocalyptic number.

428064937698 is an abundant number, since it is smaller than the sum of its proper divisors (428734804254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428064937698 is a wasteful number, since it uses less digits than its factorization.

428064937698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470.

The product of its (nonzero) digits is 125411328, while the sum is 66.

The spelling of 428064937698 in words is "four hundred twenty-eight billion, sixty-four million, nine hundred thirty-seven thousand, six hundred ninety-eight".