2121883452 has 60 divisors (see below), whose sum is σ = 5973728376. Its totient is φ = 652885920.

The previous prime is 2121883427. The next prime is 2121883471. The reversal of 2121883452 is 2543881212.

It is a happy number.

2121883452 is a `hidden beast` number, since 2 + 121 + 8 + 83 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 247674 + ... + 256097.

Almost surely, 2^2121883452 is an apocalyptic number.

It is an amenable number.

2121883452 is an abundant number, since it is smaller than the sum of its proper divisors (3851844924).

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

2121883452 is a wasteful number, since it uses less digits than its factorization.

2121883452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503800 (or 503789 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 2121883452 is about 46063.9061739232. The cubic root of 2121883452 is about 1285.0119762494.

The spelling of 2121883452 in words is "two billion, one hundred twenty-one million, eight hundred eighty-three thousand, four hundred fifty-two".