3261323519953 has 2 divisors, whose sum is σ = 3261323519954. Its totient is φ = 3261323519952.

The previous prime is 3261323519933. The next prime is 3261323520041. The reversal of 3261323519953 is 3599153231623.

3261323519953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3132942480144 + 128381039809 = 1770012^2 + 358303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261323519953 is a prime.

It is a super-2 number, since 2×3261323519953² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3261323519953.

It is not a weakly prime, because it can be changed into another prime (3261323519933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630661759976 + 1630661759977.

It is an arithmetic number, because the mean of its divisors is an integer number (1630661759977).

Almost surely, 2^{3261323519953} is an apocalyptic number.

It is an amenable number.

3261323519953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261323519953 is an equidigital number, since it uses as much as digits as its factorization.

3261323519953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 52.

The spelling of 3261323519953 in words is "three trillion, two hundred sixty-one billion, three hundred twenty-three million, five hundred nineteen thousand, nine hundred fifty-three".