28433214491 has 8 divisors (see below), whose sum is σ = 32366663424. Its totient is φ = 24724534120.

The previous prime is 28433214443. The next prime is 28433214529. The reversal of 28433214491 is 19441233482.

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

It is not a de Polignac number, because 28433214491 - 2²² = 28429020187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28433214191) 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 7 ways as a sum of consecutive naturals, for example, 56191871 + ... + 56192376.

It is an arithmetic number, because the mean of its divisors is an integer number (4045832928).

Almost surely, 2^28433214491 is an apocalyptic number.

28433214491 is a deficient number, since it is larger than the sum of its proper divisors (3933448933).

28433214491 is a wasteful number, since it uses less digits than its factorization.

28433214491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112384281.

The product of its digits is 165888, while the sum is 41.

The spelling of 28433214491 in words is "twenty-eight billion, four hundred thirty-three million, two hundred fourteen thousand, four hundred ninety-one".