28433164741 has 8 divisors (see below), whose sum is σ = 28654680600. Its totient is φ = 28212058368.

The previous prime is 28433164733. The next prime is 28433164769. The reversal of 28433164741 is 14746133482.

It can be written as a sum of positive squares in 4 ways, for example, as 1808715841 + 26624448900 = 42529^2 + 163170^2 .

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 28433164741 - 2³ = 28433164733 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 (28433164141) 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, 37785 + ... + 241441.

It is an arithmetic number, because the mean of its divisors is an integer number (3581835075).

Almost surely, 2^28433164741 is an apocalyptic number.

It is an amenable number.

28433164741 is a deficient number, since it is larger than the sum of its proper divisors (221515859).

28433164741 is a wasteful number, since it uses less digits than its factorization.

28433164741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204743.

The product of its digits is 387072, while the sum is 43.

The spelling of 28433164741 in words is "twenty-eight billion, four hundred thirty-three million, one hundred sixty-four thousand, seven hundred forty-one".