6445335314044 has 12 divisors (see below), whose sum is σ = 12304731054168. Its totient is φ = 2929697870000.

The previous prime is 6445335314009. The next prime is 6445335314081. The reversal of 6445335314044 is 4404135335446.

It is a junction number, because it is equal to n+sod(n) for n = 6445335313985 and 6445335314003.

It is a congruent 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, 73242446707 + ... + 73242446794.

It is an arithmetic number, because the mean of its divisors is an integer number (1025394254514).

Almost surely, 2^{6445335314044} is an apocalyptic number.

It is an amenable number.

6445335314044 is a deficient number, since it is larger than the sum of its proper divisors (5859395740124).

6445335314044 is a wasteful number, since it uses less digits than its factorization.

6445335314044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146484893516 (or 146484893514 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 46.

The spelling of 6445335314044 in words is "six trillion, four hundred forty-five billion, three hundred thirty-five million, three hundred fourteen thousand, forty-four".