2129982076 has 24 divisors (see below), whose sum is σ = 3752030016. Its totient is φ = 1057996800.

The previous prime is 2129981993. The next prime is 2129982077. The reversal of 2129982076 is 6702899212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129982077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409645 + ... + 414811.

It is an arithmetic number, because the mean of its divisors is an integer number (156334584).

Almost surely, 2^2129982076 is an apocalyptic number.

It is an amenable number.

2129982076 is a deficient number, since it is larger than the sum of its proper divisors (1622047940).

2129982076 is a wasteful number, since it uses less digits than its factorization.

2129982076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829 (or 5827 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2129982076 is about 46151.7288516909. The cubic root of 2129982076 is about 1286.6447421549.

The spelling of 2129982076 in words is "two billion, one hundred twenty-nine million, nine hundred eighty-two thousand, seventy-six".