3811688916850 has 48 divisors (see below), whose sum is σ = 7464867530400. Its totient is φ = 1444045898880.

The previous prime is 3811688916781. The next prime is 3811688916859. The reversal of 3811688916850 is 586198861183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3811688916859) 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, 3059182 + ... + 4120918.

It is an arithmetic number, because the mean of its divisors is an integer number (155518073550).

Almost surely, 2^{3811688916850} is an apocalyptic number.

3811688916850 is a deficient number, since it is larger than the sum of its proper divisors (3653178613550).

3811688916850 is a wasteful number, since it uses less digits than its factorization.

3811688916850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065547 (or 1065542 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 3811688916850 in words is "three trillion, eight hundred eleven billion, six hundred eighty-eight million, nine hundred sixteen thousand, eight hundred fifty".