3938745225842 has 8 divisors (see below), whose sum is σ = 6752134672896. Its totient is φ = 1688033668212.

The previous prime is 3938745225803. The next prime is 3938745225847. The reversal of 3938745225842 is 2485225478393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3938745225847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140669472338 + ... + 140669472365.

It is an arithmetic number, because the mean of its divisors is an integer number (844016834112).

Almost surely, 2^{3938745225842} is an apocalyptic number.

3938745225842 is a deficient number, since it is larger than the sum of its proper divisors (2813389447054).

3938745225842 is a wasteful number, since it uses less digits than its factorization.

3938745225842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281338944712.

The product of its digits is 116121600, while the sum is 62.

The spelling of 3938745225842 in words is "three trillion, nine hundred thirty-eight billion, seven hundred forty-five million, two hundred twenty-five thousand, eight hundred forty-two".