2187534514 has 16 divisors (see below), whose sum is σ = 3580351776. Its totient is φ = 994125600.

The previous prime is 2187534511. The next prime is 2187534529. The reversal of 2187534514 is 4154357812.

It is not an unprimeable number, because it can be changed into a prime (2187534511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156334 + ... + 169750.

It is an arithmetic number, because the mean of its divisors is an integer number (223771986).

Almost surely, 2^2187534514 is an apocalyptic number.

2187534514 is a deficient number, since it is larger than the sum of its proper divisors (1392817262).

2187534514 is a wasteful number, since it uses less digits than its factorization.

2187534514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841.

The product of its digits is 134400, while the sum is 40.

The square root of 2187534514 is about 46771.0863033990. The cubic root of 2187534514 is about 1298.1303526170.

The spelling of 2187534514 in words is "two billion, one hundred eighty-seven million, five hundred thirty-four thousand, five hundred fourteen".