43478743914 has 12 divisors (see below), whose sum is σ = 94203945186. Its totient is φ = 14492914632.

The previous prime is 43478743871. The next prime is 43478743921. The reversal of 43478743914 is 41934787434.

It is a happy number.

43478743914 is a `hidden beast` number, since 43 + 478 + 7 + 43 + 91 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43266080025 + 212663889 = 208005^2 + 14583^2 .

It is a super-3 number, since 3×43478743914³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1207742869 + ... + 1207742904.

Almost surely, 2^43478743914 is an apocalyptic number.

43478743914 is an abundant number, since it is smaller than the sum of its proper divisors (50725201272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43478743914 is a wasteful number, since it uses less digits than its factorization.

43478743914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415485781 (or 2415485778 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 43478743914 in words is "forty-three billion, four hundred seventy-eight million, seven hundred forty-three thousand, nine hundred fourteen".