373978288321 has 8 divisors (see below), whose sum is σ = 407981628000. Its totient is φ = 339975834240.

The previous prime is 373978288291. The next prime is 373978288349. The reversal of 373978288321 is 123882879373.

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 373978288321 - 2⁵ = 373978288289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 373978288321.

It is not an unprimeable number, because it can be changed into a prime (373978288351) 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, 915370 + ... + 1259308.

It is an arithmetic number, because the mean of its divisors is an integer number (50997703500).

Almost surely, 2^373978288321 is an apocalyptic number.

It is an amenable number.

373978288321 is a deficient number, since it is larger than the sum of its proper divisors (34003339679).

373978288321 is a wasteful number, since it uses less digits than its factorization.

373978288321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442799.

The product of its digits is 24385536, while the sum is 61.

The spelling of 373978288321 in words is "three hundred seventy-three billion, nine hundred seventy-eight million, two hundred eighty-eight thousand, three hundred twenty-one".