2381637836412 has 60 divisors (see below), whose sum is σ = 6301084735176. Its totient is φ = 784314459360.

The previous prime is 2381637836377. The next prime is 2381637836419. The reversal of 2381637836412 is 2146387361832.

It is a happy number.

2381637836412 is a `hidden beast` number, since 2 + 38 + 163 + 7 + 8 + 36 + 412 = 666.

2381637836412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381637836419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44254639 + ... + 44308422.

Almost surely, 2^{2381637836412} is an apocalyptic number.

It is an amenable number.

2381637836412 is an abundant number, since it is smaller than the sum of its proper divisors (3919446898764).

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

2381637836412 is a wasteful number, since it uses less digits than its factorization.

2381637836412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88563160 (or 88563149 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 2381637836412 in words is "two trillion, three hundred eighty-one billion, six hundred thirty-seven million, eight hundred thirty-six thousand, four hundred twelve".