1028328947369 has 8 divisors (see below), whose sum is σ = 1053305417472. Its totient is φ = 1003400742960.

The previous prime is 1028328947353. The next prime is 1028328947389. The reversal of 1028328947369 is 9637498238201.

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 1028328947369 - 2⁴ = 1028328947353 is a prime.

It is a super-2 number, since 2×1028328947369² (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 (1028328947339) 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, 12023294 + ... + 12108519.

It is an arithmetic number, because the mean of its divisors is an integer number (131663177184).

Almost surely, 2^{1028328947369} is an apocalyptic number.

It is an amenable number.

1028328947369 is a deficient number, since it is larger than the sum of its proper divisors (24976470103).

1028328947369 is an equidigital number, since it uses as much as digits as its factorization.

1028328947369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24132847.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 1028328947369 in words is "one trillion, twenty-eight billion, three hundred twenty-eight million, nine hundred forty-seven thousand, three hundred sixty-nine".