3449621208811 has 2 divisors, whose sum is σ = 3449621208812. Its totient is φ = 3449621208810.

The previous prime is 3449621208809. The next prime is 3449621208857. The reversal of 3449621208811 is 1188021269443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3449621208811 - 2¹ = 3449621208809 is a prime.

Together with 3449621208809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3449621208211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724810604405 + 1724810604406.

It is an arithmetic number, because the mean of its divisors is an integer number (1724810604406).

Almost surely, 2^{3449621208811} is an apocalyptic number.

3449621208811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449621208811 is an equidigital number, since it uses as much as digits as its factorization.

3449621208811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 3449621208811 in words is "three trillion, four hundred forty-nine billion, six hundred twenty-one million, two hundred eight thousand, eight hundred eleven".