28434425053231 has 8 divisors (see below), whose sum is σ = 28438558671600. Its totient is φ = 28430291690112.

The previous prime is 28434425053201. The next prime is 28434425053253. The reversal of 28434425053231 is 13235052443482.

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 28434425053231 - 2⁴¹ = 26235401797679 is a prime.

It is a super-2 number, since 2×28434425053231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434425053201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351657495 + ... + 351738343.

It is an arithmetic number, because the mean of its divisors is an integer number (3554819833950).

Almost surely, 2^{28434425053231} is an apocalyptic number.

28434425053231 is a deficient number, since it is larger than the sum of its proper divisors (4133618369).

28434425053231 is an equidigital number, since it uses as much as digits as its factorization.

28434425053231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127625.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 28434425053231 in words is "twenty-eight trillion, four hundred thirty-four billion, four hundred twenty-five million, fifty-three thousand, two hundred thirty-one".