43812149692 has 12 divisors (see below), whose sum is σ = 81181336320. Its totient is φ = 20617482176.

The previous prime is 43812149687. The next prime is 43812149741. The reversal of 43812149692 is 29694121834.

It is a happy number.

43812149692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322148092 + ... + 322148227.

It is an arithmetic number, because the mean of its divisors is an integer number (6765111360).

Almost surely, 2^43812149692 is an apocalyptic number.

It is an amenable number.

43812149692 is a deficient number, since it is larger than the sum of its proper divisors (37369186628).

43812149692 is a wasteful number, since it uses less digits than its factorization.

43812149692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644296340 (or 644296338 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The spelling of 43812149692 in words is "forty-three billion, eight hundred twelve million, one hundred forty-nine thousand, six hundred ninety-two".