28464246424439 has 16 divisors (see below), whose sum is σ = 33287392038912. Its totient is φ = 23830317207648.

The previous prime is 28464246424433. The next prime is 28464246424463. The reversal of 28464246424439 is 93442464246482.

It is not a de Polignac number, because 28464246424439 - 2¹⁶ = 28464246358903 is a prime.

It is a super-2 number, since 2×28464246424439² (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 (28464246424433) 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 15 ways as a sum of consecutive naturals, for example, 39134762 + ... + 39855464.

It is an arithmetic number, because the mean of its divisors is an integer number (2080462002432).

Almost surely, 2^{28464246424439} is an apocalyptic number.

28464246424439 is a deficient number, since it is larger than the sum of its proper divisors (4823145614473).

28464246424439 is a wasteful number, since it uses less digits than its factorization.

28464246424439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851966.

The product of its digits is 254803968, while the sum is 62.

The spelling of 28464246424439 in words is "twenty-eight trillion, four hundred sixty-four billion, two hundred forty-six million, four hundred twenty-four thousand, four hundred thirty-nine".