428358027993 has 16 divisors (see below), whose sum is σ = 673792045056. Its totient is φ = 236880015120.

The previous prime is 428358027991. The next prime is 428358027997. The reversal of 428358027993 is 399720853824.

It is not a de Polignac number, because 428358027993 - 2¹ = 428358027991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428358027991) 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, 328999371 + ... + 329000672.

It is an arithmetic number, because the mean of its divisors is an integer number (42112002816).

Almost surely, 2^428358027993 is an apocalyptic number.

It is an amenable number.

428358027993 is a deficient number, since it is larger than the sum of its proper divisors (245434017063).

428358027993 is a wasteful number, since it uses less digits than its factorization.

428358027993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658000084.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 428358027993 in words is "four hundred twenty-eight billion, three hundred fifty-eight million, twenty-seven thousand, nine hundred ninety-three".