6438271270 has 16 divisors (see below), whose sum is σ = 11962723968. Its totient is φ = 2492233920.

The previous prime is 6438271243. The next prime is 6438271283. The reversal of 6438271270 is 721728346.

It is a super-2 number, since 2×6438271270² = 82902673892214825800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 10383999 + ... + 10384618.

It is an arithmetic number, because the mean of its divisors is an integer number (747670248).

Almost surely, 2^6438271270 is an apocalyptic number.

6438271270 is a deficient number, since it is larger than the sum of its proper divisors (5524452698).

6438271270 is a wasteful number, since it uses less digits than its factorization.

6438271270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20768655.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 6438271270 is about 80238.8389123372. The cubic root of 6438271270 is about 1860.3290039277.

The spelling of 6438271270 in words is "six billion, four hundred thirty-eight million, two hundred seventy-one thousand, two hundred seventy".