6421243462 has 8 divisors (see below), whose sum is σ = 9652491576. Its totient is φ = 3203746272.

The previous prime is 6421243429. The next prime is 6421243463. The reversal of 6421243462 is 2643421246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421243463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436563 + ... + 3438430.

It is an arithmetic number, because the mean of its divisors is an integer number (1206561447).

Almost surely, 2^6421243462 is an apocalyptic number.

6421243462 is a deficient number, since it is larger than the sum of its proper divisors (3231248114).

6421243462 is a wasteful number, since it uses less digits than its factorization.

6421243462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875462.

The product of its digits is 55296, while the sum is 34.

The square root of 6421243462 is about 80132.6616430529. The cubic root of 6421243462 is about 1858.6875025896.

The spelling of 6421243462 in words is "six billion, four hundred twenty-one million, two hundred forty-three thousand, four hundred sixty-two".