3243631602091 has 2 divisors, whose sum is σ = 3243631602092. Its totient is φ = 3243631602090.

The previous prime is 3243631602017. The next prime is 3243631602109. The reversal of 3243631602091 is 1902061363423.

Together with next prime (3243631602109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3243631602091 - 2⁹ = 3243631601579 is a prime.

It is a super-2 number, since 2×3243631602091² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3243631602391) 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, 1621815801045 + 1621815801046.

It is an arithmetic number, because the mean of its divisors is an integer number (1621815801046).

Almost surely, 2^{3243631602091} is an apocalyptic number.

3243631602091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243631602091 is an equidigital number, since it uses as much as digits as its factorization.

3243631602091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 3243631602091 in words is "three trillion, two hundred forty-three billion, six hundred thirty-one million, six hundred two thousand, ninety-one".