3261648709667 has 2 divisors, whose sum is σ = 3261648709668. Its totient is φ = 3261648709666.

The previous prime is 3261648709663. The next prime is 3261648709721. The reversal of 3261648709667 is 7669078461623.

It is a weak prime.

It is an emirp because it is prime and its reverse (7669078461623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3261648709667 - 2² = 3261648709663 is a prime.

It is not a weakly prime, because it can be changed into another prime (3261648709663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630824354833 + 1630824354834.

It is an arithmetic number, because the mean of its divisors is an integer number (1630824354834).

Almost surely, 2^{3261648709667} is an apocalyptic number.

3261648709667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261648709667 is an equidigital number, since it uses as much as digits as its factorization.

3261648709667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 3261648709667 in words is "three trillion, two hundred sixty-one billion, six hundred forty-eight million, seven hundred nine thousand, six hundred sixty-seven".