43474917789 has 6 divisors (see below), whose sum is σ = 62797103486. Its totient is φ = 28983278520.

The previous prime is 43474917763. The next prime is 43474917799. The reversal of 43474917789 is 98771947434.

43474917789 is a `hidden beast` number, since 4 + 3 + 474 + 91 + 7 + 78 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36967752900 + 6507164889 = 192270^2 + 80667^2 .

It is not a de Polignac number, because 43474917789 - 2¹¹ = 43474915741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43474917799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2415273202 + ... + 2415273219.

Almost surely, 2^43474917789 is an apocalyptic number.

It is an amenable number.

43474917789 is a deficient number, since it is larger than the sum of its proper divisors (19322185697).

43474917789 is a wasteful number, since it uses less digits than its factorization.

43474917789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830546427 (or 4830546424 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 43474917789 in words is "forty-three billion, four hundred seventy-four million, nine hundred seventeen thousand, seven hundred eighty-nine".