2381478836 has 24 divisors (see below), whose sum is σ = 4554469920. Its totient is φ = 1080583200.

The previous prime is 2381478817. The next prime is 2381478877. The reversal of 2381478836 is 6388741832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22271 + ... + 72518.

It is an arithmetic number, because the mean of its divisors is an integer number (189769580).

Almost surely, 2^2381478836 is an apocalyptic number.

It is an amenable number.

2381478836 is a deficient number, since it is larger than the sum of its proper divisors (2172991084).

2381478836 is a wasteful number, since it uses less digits than its factorization.

2381478836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95375 (or 95373 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 2381478836 is about 48800.3979082138. The cubic root of 2381478836 is about 1335.4129254251.

The spelling of 2381478836 in words is "two billion, three hundred eighty-one million, four hundred seventy-eight thousand, eight hundred thirty-six".