43398065696 has 48 divisors (see below), whose sum is σ = 88531493400. Its totient is φ = 20916338688.

The previous prime is 43398065621. The next prime is 43398065707. The reversal of 43398065696 is 69656089334.

It can be written as a sum of positive squares in 4 ways, for example, as 12620275600 + 30777790096 = 112340^2 + 175436^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530720 + ... + 607008.

Almost surely, 2^43398065696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43398065696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44265746700).

43398065696 is an abundant number, since it is smaller than the sum of its proper divisors (45133427704).

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

43398065696 is a wasteful number, since it uses less digits than its factorization.

43398065696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76941 (or 76933 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 43398065696 in words is "forty-three billion, three hundred ninety-eight million, sixty-five thousand, six hundred ninety-six".