1028359305793 has 8 divisors (see below), whose sum is σ = 1071473356800. Its totient is φ = 985755480528.

The previous prime is 1028359305781. The next prime is 1028359305797. The reversal of 1028359305793 is 3975039538201.

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

It is a cyclic number.

It is not a de Polignac number, because 1028359305793 - 2¹⁷ = 1028359174721 is a prime.

It is a super-2 number, since 2×1028359305793² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028359305797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127552321 + ... + 127560382.

It is an arithmetic number, because the mean of its divisors is an integer number (133934169600).

Almost surely, 2^{1028359305793} is an apocalyptic number.

It is an amenable number.

1028359305793 is a deficient number, since it is larger than the sum of its proper divisors (43114051007).

1028359305793 is a wasteful number, since it uses less digits than its factorization.

1028359305793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255112871.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 1028359305793 in words is "one trillion, twenty-eight billion, three hundred fifty-nine million, three hundred five thousand, seven hundred ninety-three".