28528622419 has 24 divisors (see below), whose sum is σ = 32258479680. Its totient is φ = 25195632000.

The previous prime is 28528622411. The next prime is 28528622443. The reversal of 28528622419 is 91422682582.

It is not a de Polignac number, because 28528622419 - 2³ = 28528622411 is a prime.

It is a super-2 number, since 2×28528622419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28528622411) 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 23 ways as a sum of consecutive naturals, for example, 1173649 + ... + 1197709.

It is an arithmetic number, because the mean of its divisors is an integer number (1344103320).

Almost surely, 2^28528622419 is an apocalyptic number.

28528622419 is a deficient number, since it is larger than the sum of its proper divisors (3729857261).

28528622419 is a wasteful number, since it uses less digits than its factorization.

28528622419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24363 (or 24352 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The spelling of 28528622419 in words is "twenty-eight billion, five hundred twenty-eight million, six hundred twenty-two thousand, four hundred nineteen".