43081054946 has 4 divisors (see below), whose sum is σ = 64621582422. Its totient is φ = 21540527472.

The previous prime is 43081054943. The next prime is 43081054997. The reversal of 43081054946 is 64945018034.

43081054946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41346748921 + 1734306025 = 203339^2 + 41645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43081054897 and 43081054906.

It is not an unprimeable number, because it can be changed into a prime (43081054943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10770263735 + ... + 10770263738.

Almost surely, 2^43081054946 is an apocalyptic number.

43081054946 is a deficient number, since it is larger than the sum of its proper divisors (21540527476).

43081054946 is a wasteful number, since it uses less digits than its factorization.

43081054946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540527475.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 43081054946 in words is "forty-three billion, eighty-one million, fifty-four thousand, nine hundred forty-six".