28506834753429 has 8 divisors (see below), whose sum is σ = 38282559861280. Its totient is φ = 18867833073936.

The previous prime is 28506834753407. The next prime is 28506834753431. The reversal of 28506834753429 is 92435743860582.

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

It is not a de Polignac number, because 28506834753429 - 2⁷ = 28506834753301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28506834753429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28506834753629) 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, 34180856602 + ... + 34180857435.

It is an arithmetic number, because the mean of its divisors is an integer number (4785319982660).

Almost surely, 2^{28506834753429} is an apocalyptic number.

It is an amenable number.

28506834753429 is a deficient number, since it is larger than the sum of its proper divisors (9775725107851).

28506834753429 is a wasteful number, since it uses less digits than its factorization.

28506834753429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68361714179.

The product of its (nonzero) digits is 348364800, while the sum is 66.

The spelling of 28506834753429 in words is "twenty-eight trillion, five hundred six billion, eight hundred thirty-four million, seven hundred fifty-three thousand, four hundred twenty-nine".