383989886072641 has 8 divisors (see below), whose sum is σ = 397235382114600. Its totient is φ = 370744687729920.

The previous prime is 383989886072609. The next prime is 383989886072651. The reversal of 383989886072641 is 146270688989383.

It can be written as a sum of positive squares in 4 ways, for example, as 56264940992016 + 327724945080625 = 7500996^2 + 18103175^2 .

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 383989886072641 - 2⁵ = 383989886072609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383989886072651) 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, 71799030 + ... + 76961551.

It is an arithmetic number, because the mean of its divisors is an integer number (49654422764325).

Almost surely, 2^{383989886072641} is an apocalyptic number.

It is an amenable number.

383989886072641 is a deficient number, since it is larger than the sum of its proper divisors (13245496041959).

383989886072641 is a wasteful number, since it uses less digits than its factorization.

383989886072641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148849619.

The product of its (nonzero) digits is 6019743744, while the sum is 82.

The spelling of 383989886072641 in words is "three hundred eighty-three trillion, nine hundred eighty-nine billion, eight hundred eighty-six million, seventy-two thousand, six hundred forty-one".