2038888716891 has 96 divisors (see below), whose sum is σ = 3169423676160. Its totient is φ = 1157508371712.

The previous prime is 2038888716889. The next prime is 2038888716947. The reversal of 2038888716891 is 1986178888302.

It is not a de Polignac number, because 2038888716891 - 2¹ = 2038888716889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (2038888716881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1069159360 + ... + 1069161266.

It is an arithmetic number, because the mean of its divisors is an integer number (33014829960).

Almost surely, 2^{2038888716891} is an apocalyptic number.

2038888716891 is a deficient number, since it is larger than the sum of its proper divisors (1130534959269).

2038888716891 is a wasteful number, since it uses less digits than its factorization.

2038888716891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3762 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 69.

The spelling of 2038888716891 in words is "two trillion, thirty-eight billion, eight hundred eighty-eight million, seven hundred sixteen thousand, eight hundred ninety-one".