4243394691536 has 360 divisors, whose sum is σ = 11480689688832. Its totient is φ = 1504570636800.

The previous prime is 4243394691451. The next prime is 4243394691587. The reversal of 4243394691536 is 6351964933424.

4243394691536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87535241 + ... + 87583703.

Almost surely, 2^{4243394691536} 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 4243394691536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5740344844416).

4243394691536 is an abundant number, since it is smaller than the sum of its proper divisors (7237294997296).

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

4243394691536 is a wasteful number, since it uses less digits than its factorization.

4243394691536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48591 (or 48567 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 59.

The spelling of 4243394691536 in words is "four trillion, two hundred forty-three billion, three hundred ninety-four million, six hundred ninety-one thousand, five hundred thirty-six".