6344669895745 has 4 divisors (see below), whose sum is σ = 7613603874900. Its totient is φ = 5075735916592.

The previous prime is 6344669895701. The next prime is 6344669895769. The reversal of 6344669895745 is 5475989664436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3384632229169 + 2960037666576 = 1839737^2 + 1720476^2 .

It is a cyclic number.

It is not a de Polignac number, because 6344669895745 - 2¹¹ = 6344669893697 is a prime.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634466989570 + ... + 634466989579.

It is an arithmetic number, because the mean of its divisors is an integer number (1903400968725).

Almost surely, 2^{6344669895745} is an apocalyptic number.

It is an amenable number.

6344669895745 is a deficient number, since it is larger than the sum of its proper divisors (1268933979155).

6344669895745 is a wasteful number, since it uses less digits than its factorization.

6344669895745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268933979154.

The product of its digits is 4702924800, while the sum is 76.

The spelling of 6344669895745 in words is "six trillion, three hundred forty-four billion, six hundred sixty-nine million, eight hundred ninety-five thousand, seven hundred forty-five".