2123186484 has 24 divisors (see below), whose sum is σ = 4955657728. Its totient is φ = 707506560.

The previous prime is 2123186479. The next prime is 2123186501. The reversal of 2123186484 is 4846813212.

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, 14604 + ... + 66780.

Almost surely, 2^2123186484 is an apocalyptic number.

It is an amenable number.

2123186484 is an abundant number, since it is smaller than the sum of its proper divisors (2832471244).

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

2123186484 is a wasteful number, since it uses less digits than its factorization.

2123186484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55575 (or 55573 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 2123186484 is about 46078.0477451031. The cubic root of 2123186484 is about 1285.2749610193.

Adding to 2123186484 its reverse (4846813212), we get a palindrome (6969999696).

The spelling of 2123186484 in words is "two billion, one hundred twenty-three million, one hundred eighty-six thousand, four hundred eighty-four".