43947683996 has 12 divisors (see below), whose sum is σ = 78169241640. Its totient is φ = 21613614960.

The previous prime is 43947683953. The next prime is 43947684017. The reversal of 43947683996 is 69938674934.

It is a happy number.

It is a super-2 number, since 2×43947683996² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90056486 + ... + 90056973.

It is an arithmetic number, because the mean of its divisors is an integer number (6514103470).

Almost surely, 2^43947683996 is an apocalyptic number.

It is an amenable number.

43947683996 is a deficient number, since it is larger than the sum of its proper divisors (34221557644).

43947683996 is a wasteful number, since it uses less digits than its factorization.

43947683996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180113524 (or 180113522 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 68.

The spelling of 43947683996 in words is "forty-three billion, nine hundred forty-seven million, six hundred eighty-three thousand, nine hundred ninety-six".