43239999654 has 12 divisors (see below), whose sum is σ = 93686665956. Its totient is φ = 14413333212.

The previous prime is 43239999631. The next prime is 43239999661. The reversal of 43239999654 is 45699993234.

It is a junction number, because it is equal to n+sod(n) for n = 43239999591 and 43239999600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1201111084 + ... + 1201111119.

It is an arithmetic number, because the mean of its divisors is an integer number (7807222163).

Almost surely, 2^43239999654 is an apocalyptic number.

43239999654 is an abundant number, since it is smaller than the sum of its proper divisors (50446666302).

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

43239999654 is a wasteful number, since it uses less digits than its factorization.

43239999654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402222211 (or 2402222208 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 63.

The spelling of 43239999654 in words is "forty-three billion, two hundred thirty-nine million, nine hundred ninety-nine thousand, six hundred fifty-four".