3285586079981 has 2 divisors, whose sum is σ = 3285586079982. Its totient is φ = 3285586079980.

The previous prime is 3285586079921. The next prime is 3285586080071. The reversal of 3285586079981 is 1899706855823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3285188875081 + 397204900 = 1812509^2 + 19930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3285586079981 is a prime.

It is a super-2 number, since 2×3285586079981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285586079921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642793039990 + 1642793039991.

It is an arithmetic number, because the mean of its divisors is an integer number (1642793039991).

Almost surely, 2^{3285586079981} is an apocalyptic number.

It is an amenable number.

3285586079981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285586079981 is an equidigital number, since it uses as much as digits as its factorization.

3285586079981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 261273600, while the sum is 71.

The spelling of 3285586079981 in words is "three trillion, two hundred eighty-five billion, five hundred eighty-six million, seventy-nine thousand, nine hundred eighty-one".