3449561684145 has 16 divisors (see below), whose sum is σ = 5843963324160. Its totient is φ = 1731544688384.

The previous prime is 3449561684137. The next prime is 3449561684159. The reversal of 3449561684145 is 5414861659443.

It is a cyclic number.

It is not a de Polignac number, because 3449561684145 - 2³ = 3449561684137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6763846185 + ... + 6763846694.

It is an arithmetic number, because the mean of its divisors is an integer number (365247707760).

Almost surely, 2^{3449561684145} is an apocalyptic number.

It is an amenable number.

3449561684145 is a deficient number, since it is larger than the sum of its proper divisors (2394401640015).

3449561684145 is a wasteful number, since it uses less digits than its factorization.

3449561684145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13527692904.

The product of its digits is 49766400, while the sum is 60.

The spelling of 3449561684145 in words is "three trillion, four hundred forty-nine billion, five hundred sixty-one million, six hundred eighty-four thousand, one hundred forty-five".