3850688191842 has 48 divisors (see below), whose sum is σ = 8357564212920. Its totient is φ = 1281348274176.

The previous prime is 3850688191841. The next prime is 3850688191879. The reversal of 3850688191842 is 2481918860583.

3850688191842 is a `hidden beast` number, since 3 + 8 + 506 + 8 + 81 + 9 + 1 + 8 + 42 = 666.

3850688191842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2092070067201 + 1758618124641 = 1446399^2 + 1326129^2 .

It is a super-2 number, since 2×3850688191842² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3850688191842.

It is not an unprimeable number, because it can be changed into a prime (3850688191841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24309634 + ... + 24467522.

Almost surely, 2^{3850688191842} is an apocalyptic number.

3850688191842 is an abundant number, since it is smaller than the sum of its proper divisors (4506876021078).

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

3850688191842 is a wasteful number, since it uses less digits than its factorization.

3850688191842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160227 (or 160224 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 3850688191842 in words is "three trillion, eight hundred fifty billion, six hundred eighty-eight million, one hundred ninety-one thousand, eight hundred forty-two".