2187709482 has 64 divisors (see below), whose sum is σ = 5226520320. Its totient is φ = 597252096.

The previous prime is 2187709411. The next prime is 2187709487. The reversal of 2187709482 is 2849077812.

It is not an unprimeable number, because it can be changed into a prime (2187709487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108888 + ... + 127404.

It is an arithmetic number, because the mean of its divisors is an integer number (81664380).

Almost surely, 2^2187709482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2187709482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613260160).

2187709482 is an abundant number, since it is smaller than the sum of its proper divisors (3038810838).

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

2187709482 is a wasteful number, since it uses less digits than its factorization.

2187709482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 2187709482 is about 46772.9567378416. The cubic root of 2187709482 is about 1298.1649616277.

The spelling of 2187709482 in words is "two billion, one hundred eighty-seven million, seven hundred nine thousand, four hundred eighty-two".