43453868066 has 16 divisors (see below), whose sum is σ = 76012598400. Its totient is φ = 18623086020.

The previous prime is 43453868033. The next prime is 43453868069. The reversal of 43453868066 is 66086835434.

It is a junction number, because it is equal to n+sod(n) for n = 43453867999 and 43453868017.

It is not an unprimeable number, because it can be changed into a prime (43453868069) 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, 31671230 + ... + 31672601.

It is an arithmetic number, because the mean of its divisors is an integer number (4750787400).

Almost surely, 2^43453868066 is an apocalyptic number.

43453868066 is a deficient number, since it is larger than the sum of its proper divisors (32558730334).

43453868066 is an equidigital number, since it uses as much as digits as its factorization.

43453868066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63343854 (or 63343840 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 43453868066 in words is "forty-three billion, four hundred fifty-three million, eight hundred sixty-eight thousand, sixty-six".