383989886072609 has 2 divisors, whose sum is σ = 383989886072610. Its totient is φ = 383989886072608.

The previous prime is 383989886072603. The next prime is 383989886072651. The reversal of 383989886072609 is 906270688989383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300888156592384 + 83101729480225 = 17346128^2 + 9116015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383989886072609 is a prime.

It is a super-3 number, since 3×383989886072609³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (383989886072603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191994943036304 + 191994943036305.

It is an arithmetic number, because the mean of its divisors is an integer number (191994943036305).

Almost surely, 2^{383989886072609} is an apocalyptic number.

It is an amenable number.

383989886072609 is a deficient number, since it is larger than the sum of its proper divisors (1).

383989886072609 is an equidigital number, since it uses as much as digits as its factorization.

383989886072609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13544423424, while the sum is 86.

The spelling of 383989886072609 in words is "three hundred eighty-three trillion, nine hundred eighty-nine billion, eight hundred eighty-six million, seventy-two thousand, six hundred nine".