3283720137889 has 2 divisors, whose sum is σ = 3283720137890. Its totient is φ = 3283720137888.

The previous prime is 3283720137881. The next prime is 3283720137899. The reversal of 3283720137889 is 9887310273823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2713211835489 + 570508302400 = 1647183^2 + 755320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3283720137889 - 2³ = 3283720137881 is a prime.

It is a super-3 number, since 3×3283720137889³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3283720137881) 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 as a sum of consecutive naturals, namely, 1641860068944 + 1641860068945.

It is an arithmetic number, because the mean of its divisors is an integer number (1641860068945).

Almost surely, 2^{3283720137889} is an apocalyptic number.

It is an amenable number.

3283720137889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3283720137889 is an equidigital number, since it uses as much as digits as its factorization.

3283720137889 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 3283720137889 in words is "three trillion, two hundred eighty-three billion, seven hundred twenty million, one hundred thirty-seven thousand, eight hundred eighty-nine".