1821782465362 has 8 divisors (see below), whose sum is σ = 2820824462592. Its totient is φ = 881507644500.

The previous prime is 1821782465357. The next prime is 1821782465443. The reversal of 1821782465362 is 2635642871281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1821782465362² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 14691794014 + ... + 14691794137.

It is an arithmetic number, because the mean of its divisors is an integer number (352603057824).

Almost surely, 2^{1821782465362} is an apocalyptic number.

1821782465362 is a deficient number, since it is larger than the sum of its proper divisors (999041997230).

1821782465362 is a wasteful number, since it uses less digits than its factorization.

1821782465362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29383588184.

The product of its digits is 7741440, while the sum is 55.

The spelling of 1821782465362 in words is "one trillion, eight hundred twenty-one billion, seven hundred eighty-two million, four hundred sixty-five thousand, three hundred sixty-two".