3943738118838 has 16 divisors (see below), whose sum is σ = 9014258557440. Its totient is φ = 1126782319656.

The previous prime is 3943738118783. The next prime is 3943738118849. The reversal of 3943738118838 is 8388118373493.

It is a happy number.

It is a congruent number.

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, 46949263278 + ... + 46949263361.

It is an arithmetic number, because the mean of its divisors is an integer number (563391159840).

Almost surely, 2^{3943738118838} is an apocalyptic number.

3943738118838 is an abundant number, since it is smaller than the sum of its proper divisors (5070520438602).

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

3943738118838 is a wasteful number, since it uses less digits than its factorization.

3943738118838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93898526651.

The product of its digits is 83607552, while the sum is 66.

The spelling of 3943738118838 in words is "three trillion, nine hundred forty-three billion, seven hundred thirty-eight million, one hundred eighteen thousand, eight hundred thirty-eight".