6445110386323 has 12 divisors (see below), whose sum is σ = 7497729482952. Its totient is φ = 5524117885440.

The previous prime is 6445110386321. The next prime is 6445110386327. The reversal of 6445110386323 is 3236830115446.

It is a happy number.

It is not a de Polignac number, because 6445110386323 - 2¹ = 6445110386321 is a prime.

It is a super-2 number, since 2×6445110386323² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6445110386321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2078865 + ... + 4148722.

It is an arithmetic number, because the mean of its divisors is an integer number (624810790246).

Almost surely, 2^{6445110386323} is an apocalyptic number.

6445110386323 is a deficient number, since it is larger than the sum of its proper divisors (1052619096629).

6445110386323 is a wasteful number, since it uses less digits than its factorization.

6445110386323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248722 (or 6248715 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 6445110386323 in words is "six trillion, four hundred forty-five billion, one hundred ten million, three hundred eighty-six thousand, three hundred twenty-three".