360946991833821 has 12 divisors (see below), whose sum is σ = 521513469956700. Its totient is φ = 240564131183040.

The previous prime is 360946991833783. The next prime is 360946991833847. The reversal of 360946991833821 is 128338199649063.

360946991833821 is a `hidden beast` number, since 3 + 6 + 0 + 9 + 4 + 69 + 9 + 183 + 382 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 138892706825625 + 222054285008196 = 11785275^2 + 14901486^2 .

It is not a de Polignac number, because 360946991833821 - 2¹⁹ = 360946991309533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 360946991833821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360946991833891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5599691496 + ... + 5599755953.

It is an arithmetic number, because the mean of its divisors is an integer number (43459455829725).

Almost surely, 2^{360946991833821} is an apocalyptic number.

It is an amenable number.

360946991833821 is a deficient number, since it is larger than the sum of its proper divisors (160566478122879).

360946991833821 is a wasteful number, since it uses less digits than its factorization.

360946991833821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199451036 (or 11199451033 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 72.

The spelling of 360946991833821 in words is "three hundred sixty trillion, nine hundred forty-six billion, nine hundred ninety-one million, eight hundred thirty-three thousand, eight hundred twenty-one".