2381545650 has 96 divisors (see below), whose sum is σ = 6460747200. Its totient is φ = 575769600.

The previous prime is 2381545631. The next prime is 2381545667. The reversal of 2381545650 is 565451832.

It is a junction number, because it is equal to n+sod(n) for n = 2381545599 and 2381545608.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 673086 + ... + 676614.

It is an arithmetic number, because the mean of its divisors is an integer number (67299450).

Almost surely, 2^2381545650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381545650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3230373600).

2381545650 is an abundant number, since it is smaller than the sum of its proper divisors (4079201550).

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

2381545650 is a wasteful number, since it uses less digits than its factorization.

2381545650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 2381545650 is about 48801.0824675027. The cubic root of 2381545650 is about 1335.4254139461.

The spelling of 2381545650 in words is "two billion, three hundred eighty-one million, five hundred forty-five thousand, six hundred fifty".