373682814221 has 8 divisors (see below), whose sum is σ = 405314502264. Its totient is φ = 343123386880.

The previous prime is 373682814181. The next prime is 373682814229. The reversal of 373682814221 is 122418286373.

It can be written as a sum of positive squares in 4 ways, for example, as 11796349321 + 361886464900 = 108611^2 + 601570^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-373682814221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373682814229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 268064450 + ... + 268065843.

It is an arithmetic number, because the mean of its divisors is an integer number (50664312783).

Almost surely, 2^373682814221 is an apocalyptic number.

It is an amenable number.

373682814221 is a deficient number, since it is larger than the sum of its proper divisors (31631688043).

373682814221 is a wasteful number, since it uses less digits than its factorization.

373682814221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536130351.

The product of its digits is 774144, while the sum is 47.

The spelling of 373682814221 in words is "three hundred seventy-three billion, six hundred eighty-two million, eight hundred fourteen thousand, two hundred twenty-one".