2141989392 has 160 divisors (see below), whose sum is σ = 6089610240. Its totient is φ = 648099840.

The previous prime is 2141989309. The next prime is 2141989417. The reversal of 2141989392 is 2939891412.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7310398 + ... + 7310690.

It is an arithmetic number, because the mean of its divisors is an integer number (38060064).

Almost surely, 2^2141989392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141989392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044805120).

2141989392 is an abundant number, since it is smaller than the sum of its proper divisors (3947620848).

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

2141989392 is a wasteful number, since it uses less digits than its factorization.

2141989392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 346 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 2141989392 is about 46281.6312590643. The cubic root of 2141989392 is about 1289.0579408902.

The spelling of 2141989392 in words is "two billion, one hundred forty-one million, nine hundred eighty-nine thousand, three hundred ninety-two".