2188906004530 has 32 divisors (see below), whose sum is σ = 4612719000960. Its totient is φ = 732177617280.

The previous prime is 2188906004479. The next prime is 2188906004531. The reversal of 2188906004530 is 354006098812.

It is not an unprimeable number, because it can be changed into a prime (2188906004531) 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, 381339640 + ... + 381345379.

It is an arithmetic number, because the mean of its divisors is an integer number (144147468780).

Almost surely, 2^{2188906004530} is an apocalyptic number.

2188906004530 is an abundant number, since it is smaller than the sum of its proper divisors (2423812996430).

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

2188906004530 is a wasteful number, since it uses less digits than its factorization.

2188906004530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762685074.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 2188906004530 in words is "two trillion, one hundred eighty-eight billion, nine hundred six million, four thousand, five hundred thirty".