6448718143 has 8 divisors (see below), whose sum is σ = 7526771712. Its totient is φ = 5409866616.

The previous prime is 6448718119. The next prime is 6448718149. The reversal of 6448718143 is 3418178446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6448718143 - 2¹³ = 6448709951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6448718093 and 6448718102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448718149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9800155 + ... + 9800812.

It is an arithmetic number, because the mean of its divisors is an integer number (940846464).

Almost surely, 2^6448718143 is an apocalyptic number.

6448718143 is a deficient number, since it is larger than the sum of its proper divisors (1078053569).

6448718143 is a wasteful number, since it uses less digits than its factorization.

6448718143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19601021.

The product of its digits is 516096, while the sum is 46.

The square root of 6448718143 is about 80303.9111314013. The cubic root of 6448718143 is about 1861.3346630465.

The spelling of 6448718143 in words is "six billion, four hundred forty-eight million, seven hundred eighteen thousand, one hundred forty-three".