1836381820002 has 32 divisors (see below), whose sum is σ = 3674789717760. Its totient is φ = 611789692800.

The previous prime is 1836381819977. The next prime is 1836381820157. The reversal of 1836381820002 is 2000281836381.

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 15 ways as a sum of consecutive naturals, for example, 124806198 + ... + 124820910.

It is an arithmetic number, because the mean of its divisors is an integer number (114837178680).

Almost surely, 2^{1836381820002} is an apocalyptic number.

1836381820002 is an abundant number, since it is smaller than the sum of its proper divisors (1838407897758).

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

1836381820002 is a wasteful number, since it uses less digits than its factorization.

1836381820002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 1836381820002 in words is "one trillion, eight hundred thirty-six billion, three hundred eighty-one million, eight hundred twenty thousand, two".