3287256693013 has 2 divisors, whose sum is σ = 3287256693014. Its totient is φ = 3287256693012.

The previous prime is 3287256693011. The next prime is 3287256693041. The reversal of 3287256693013 is 3103966527823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3098363887089 + 188892805924 = 1760217^2 + 434618^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287256693013 - 2¹ = 3287256693011 is a prime.

Together with 3287256693011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287256693011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643628346506 + 1643628346507.

It is an arithmetic number, because the mean of its divisors is an integer number (1643628346507).

Almost surely, 2^{3287256693013} is an apocalyptic number.

It is an amenable number.

3287256693013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287256693013 is an equidigital number, since it uses as much as digits as its factorization.

3287256693013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 3287256693013 in words is "three trillion, two hundred eighty-seven billion, two hundred fifty-six million, six hundred ninety-three thousand, thirteen".