2187490835 has 8 divisors (see below), whose sum is σ = 2689013376. Its totient is φ = 1707309760.

The previous prime is 2187490777. The next prime is 2187490841. The reversal of 2187490835 is 5380947812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2187490835 - 2¹⁶ = 2187425299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2187490835.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5335139 + ... + 5335548.

It is an arithmetic number, because the mean of its divisors is an integer number (336126672).

Almost surely, 2^2187490835 is an apocalyptic number.

2187490835 is a deficient number, since it is larger than the sum of its proper divisors (501522541).

2187490835 is a wasteful number, since it uses less digits than its factorization.

2187490835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670733.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2187490835 is about 46770.6193566004. The cubic root of 2187490835 is about 1298.1217125380.

The spelling of 2187490835 in words is "two billion, one hundred eighty-seven million, four hundred ninety thousand, eight hundred thirty-five".