6421310131246 has 16 divisors (see below), whose sum is σ = 9732834430704. Its totient is φ = 3177042672384.

The previous prime is 6421310131241. The next prime is 6421310131277.

6421310131246 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421310131241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464645 + ... + 3871408.

It is an arithmetic number, because the mean of its divisors is an integer number (608302151919).

Almost surely, 2^{6421310131246} is an apocalyptic number.

6421310131246 is a deficient number, since it is larger than the sum of its proper divisors (3311524299458).

6421310131246 is a wasteful number, since it uses less digits than its factorization.

6421310131246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342355.

The product of its (nonzero) digits is 20736, while the sum is 34.

It can be divided in two parts, 6421310 and 131246, that added together give a palindrome (6552556).

The spelling of 6421310131246 in words is "six trillion, four hundred twenty-one billion, three hundred ten million, one hundred thirty-one thousand, two hundred forty-six".