385378821361 has 8 divisors (see below), whose sum is σ = 408523206240. Its totient is φ = 362287219008.

The previous prime is 385378821343. The next prime is 385378821419. The reversal of 385378821361 is 163128873583.

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 385378821361 - 2³³ = 376788886769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385378821301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13180591 + ... + 13209796.

It is an arithmetic number, because the mean of its divisors is an integer number (51065400780).

Almost surely, 2^385378821361 is an apocalyptic number.

It is an amenable number.

385378821361 is a deficient number, since it is larger than the sum of its proper divisors (23144384879).

385378821361 is a wasteful number, since it uses less digits than its factorization.

385378821361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26391263.

The product of its digits is 5806080, while the sum is 55.

The spelling of 385378821361 in words is "three hundred eighty-five billion, three hundred seventy-eight million, eight hundred twenty-one thousand, three hundred sixty-one".