376721143221 has 8 divisors (see below), whose sum is σ = 519615370080. Its totient is φ = 242487172592.

The previous prime is 376721143213. The next prime is 376721143291. The reversal of 376721143221 is 122341127673.

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

It is a cyclic number.

It is not a de Polignac number, because 376721143221 - 2³ = 376721143213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 376721143221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376721143291) 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 7 ways as a sum of consecutive naturals, for example, 2165063955 + ... + 2165064128.

It is an arithmetic number, because the mean of its divisors is an integer number (64951921260).

Almost surely, 2^376721143221 is an apocalyptic number.

It is an amenable number.

376721143221 is a deficient number, since it is larger than the sum of its proper divisors (142894226859).

376721143221 is a wasteful number, since it uses less digits than its factorization.

376721143221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330128115.

The product of its digits is 84672, while the sum is 39.

The spelling of 376721143221 in words is "three hundred seventy-six billion, seven hundred twenty-one million, one hundred forty-three thousand, two hundred twenty-one".