43684713506 has 16 divisors (see below), whose sum is σ = 74893285824. Its totient is φ = 18720718704.

The previous prime is 43684713491. The next prime is 43684713547. The reversal of 43684713506 is 60531748634.

43684713506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116201 + ... + 317603.

It is an arithmetic number, because the mean of its divisors is an integer number (4680830364).

Almost surely, 2^43684713506 is an apocalyptic number.

43684713506 is a deficient number, since it is larger than the sum of its proper divisors (31208572318).

43684713506 is a wasteful number, since it uses less digits than its factorization.

43684713506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216905.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 43684713506 in words is "forty-three billion, six hundred eighty-four million, seven hundred thirteen thousand, five hundred six".