28466915469 has 16 divisors (see below), whose sum is σ = 38343391104. Its totient is φ = 18785088000.

The previous prime is 28466915459. The next prime is 28466915479. The reversal of 28466915469 is 96451966482.

It is an interprime number because it is at equal distance from previous prime (28466915459) and next prime (28466915479).

It is not a de Polignac number, because 28466915469 - 2⁵ = 28466915437 is a prime.

It is a super-2 number, since 2×28466915469² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466915419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15477 + ... + 239109.

It is an arithmetic number, because the mean of its divisors is an integer number (2396461944).

Almost surely, 2^28466915469 is an apocalyptic number.

It is an amenable number.

28466915469 is a deficient number, since it is larger than the sum of its proper divisors (9876475635).

28466915469 is a wasteful number, since it uses less digits than its factorization.

28466915469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224068.

The product of its digits is 22394880, while the sum is 60.

The spelling of 28466915469 in words is "twenty-eight billion, four hundred sixty-six million, nine hundred fifteen thousand, four hundred sixty-nine".