28321013469 has 32 divisors (see below), whose sum is σ = 43444832256. Its totient is φ = 16075200960.

The previous prime is 28321013437. The next prime is 28321013551. The reversal of 28321013469 is 96431012382.

It is not a de Polignac number, because 28321013469 - 2⁵ = 28321013437 is a prime.

It is a super-2 number, since 2×28321013469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28321013429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9576139 + ... + 9579095.

It is an arithmetic number, because the mean of its divisors is an integer number (1357651008).

Almost surely, 2^28321013469 is an apocalyptic number.

It is an amenable number.

28321013469 is a deficient number, since it is larger than the sum of its proper divisors (15123818787).

28321013469 is a wasteful number, since it uses less digits than its factorization.

28321013469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 28321013469 in words is "twenty-eight billion, three hundred twenty-one million, thirteen thousand, four hundred sixty-nine".