381836812873602 has 32 divisors (see below), whose sum is σ = 764767512149760. Its totient is φ = 127096631101440.

The previous prime is 381836812873561. The next prime is 381836812873609. The reversal of 381836812873602 is 206378218638183.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (381836812873609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197713602 + ... + 199635522.

It is an arithmetic number, because the mean of its divisors is an integer number (23898984754680).

Almost surely, 2^{381836812873602} is an apocalyptic number.

381836812873602 is an abundant number, since it is smaller than the sum of its proper divisors (382930699276158).

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

381836812873602 is a wasteful number, since it uses less digits than its factorization.

381836812873602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969338.

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 381836812873602 in words is "three hundred eighty-one trillion, eight hundred thirty-six billion, eight hundred twelve million, eight hundred seventy-three thousand, six hundred two".