3408648686889 has 4 divisors (see below), whose sum is σ = 4544864915856. Its totient is φ = 2272432457924.

The previous prime is 3408648686887. The next prime is 3408648686893. The reversal of 3408648686889 is 9886868468043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3408648686889 - 2¹ = 3408648686887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3408648686887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568108114479 + ... + 568108114484.

It is an arithmetic number, because the mean of its divisors is an integer number (1136216228964).

Almost surely, 2^{3408648686889} is an apocalyptic number.

It is an amenable number.

3408648686889 is a deficient number, since it is larger than the sum of its proper divisors (1136216228967).

3408648686889 is a wasteful number, since it uses less digits than its factorization.

3408648686889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136216228966.

The product of its (nonzero) digits is 3057647616, while the sum is 78.

The spelling of 3408648686889 in words is "three trillion, four hundred eight billion, six hundred forty-eight million, six hundred eighty-six thousand, eight hundred eighty-nine".