3249068131021 has 2 divisors, whose sum is σ = 3249068131022. Its totient is φ = 3249068131020.

The previous prime is 3249068131019. The next prime is 3249068131129. The reversal of 3249068131021 is 1201318609423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2434130428900 + 814937702121 = 1560170^2 + 902739^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249068131021 - 2¹ = 3249068131019 is a prime.

Together with 3249068131019, 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 (3249068135021) 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, 1624534065510 + 1624534065511.

It is an arithmetic number, because the mean of its divisors is an integer number (1624534065511).

Almost surely, 2^{3249068131021} is an apocalyptic number.

It is an amenable number.

3249068131021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249068131021 is an equidigital number, since it uses as much as digits as its factorization.

3249068131021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 3249068131021 in words is "three trillion, two hundred forty-nine billion, sixty-eight million, one hundred thirty-one thousand, twenty-one".