28719432413 has 8 divisors (see below), whose sum is σ = 32830391232. Its totient is φ = 24610519296.

The previous prime is 28719432403. The next prime is 28719432433. The reversal of 28719432413 is 31423491782.

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 28719432413 - 2¹⁶ = 28719366877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28719432403) 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, 481220 + ... + 537597.

It is an arithmetic number, because the mean of its divisors is an integer number (4103798904).

Almost surely, 2^28719432413 is an apocalyptic number.

It is an amenable number.

28719432413 is a deficient number, since it is larger than the sum of its proper divisors (4110958819).

28719432413 is a wasteful number, since it uses less digits than its factorization.

28719432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022851.

The product of its digits is 290304, while the sum is 44.

The spelling of 28719432413 in words is "twenty-eight billion, seven hundred nineteen million, four hundred thirty-two thousand, four hundred thirteen".