3942903198920 has 64 divisors (see below), whose sum is σ = 10152726520320. Its totient is φ = 1350008181504.

The previous prime is 3942903198893. The next prime is 3942903198929. The reversal of 3942903198920 is 298913092493.

It is a self number, because there is not a number n which added to its sum of digits gives 3942903198920.

It is not an unprimeable number, because it can be changed into a prime (3942903198929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9400352 + ... + 9810831.

It is an arithmetic number, because the mean of its divisors is an integer number (158636351880).

Almost surely, 2^{3942903198920} is an apocalyptic number.

It is an amenable number.

3942903198920 is an abundant number, since it is smaller than the sum of its proper divisors (6209823321400).

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

3942903198920 is a wasteful number, since it uses less digits than its factorization.

3942903198920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19211934 (or 19211930 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 3942903198920 in words is "three trillion, nine hundred forty-two billion, nine hundred three million, one hundred ninety-eight thousand, nine hundred twenty".