2188859915094 has 16 divisors (see below), whose sum is σ = 4608126137280. Its totient is φ = 691218920520.

The previous prime is 2188859915089. The next prime is 2188859915101. The reversal of 2188859915094 is 4905199588812.

It is a super-2 number, since 2×2188859915094² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600262672 + ... + 9600262899.

It is an arithmetic number, because the mean of its divisors is an integer number (288007883580).

Almost surely, 2^{2188859915094} is an apocalyptic number.

2188859915094 is an abundant number, since it is smaller than the sum of its proper divisors (2419266222186).

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

2188859915094 is a wasteful number, since it uses less digits than its factorization.

2188859915094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200525595.

The product of its (nonzero) digits is 74649600, while the sum is 69.

The spelling of 2188859915094 in words is "two trillion, one hundred eighty-eight billion, eight hundred fifty-nine million, nine hundred fifteen thousand, ninety-four".