6447127951323 has 48 divisors (see below), whose sum is σ = 9684355568160. Its totient is φ = 4129814937600.

The previous prime is 6447127951301. The next prime is 6447127951351. The reversal of 6447127951323 is 3231597217446.

6447127951323 is a `hidden beast` number, since 6 + 4 + 47 + 1 + 279 + 5 + 1 + 323 = 666.

It is not a de Polignac number, because 6447127951323 - 2²⁸ = 6446859515867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6447127951323.

It is not an unprimeable number, because it can be changed into a prime (6447127951123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18440283 + ... + 18786651.

It is an arithmetic number, because the mean of its divisors is an integer number (201757407670).

Almost surely, 2^{6447127951323} is an apocalyptic number.

6447127951323 is a deficient number, since it is larger than the sum of its proper divisors (3237227616837).

6447127951323 is a wasteful number, since it uses less digits than its factorization.

6447127951323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347180 (or 347177 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 6447127951323 in words is "six trillion, four hundred forty-seven billion, one hundred twenty-seven million, nine hundred fifty-one thousand, three hundred twenty-three".