428019357868 has 12 divisors (see below), whose sum is σ = 749358009232. Its totient is φ = 213917069520.

The previous prime is 428019357841. The next prime is 428019357881. The reversal of 428019357868 is 868753910824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23141955 + ... + 23160442.

It is a 1-persistent number, because it is pandigital, but 2⋅428019357868 = 856038715736 is not.

Almost surely, 2^428019357868 is an apocalyptic number.

It is an amenable number.

428019357868 is a deficient number, since it is larger than the sum of its proper divisors (321338651364).

428019357868 is a wasteful number, since it uses less digits than its factorization.

428019357868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46304712 (or 46304710 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 428019357868 in words is "four hundred twenty-eight billion, nineteen million, three hundred fifty-seven thousand, eight hundred sixty-eight".