6421010366 has 16 divisors (see below), whose sum is σ = 10144472400. Its totient is φ = 3039720768.

The previous prime is 6421010359. The next prime is 6421010383. The reversal of 6421010366 is 6630101246.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 15506 + ... + 114378.

It is an arithmetic number, because the mean of its divisors is an integer number (634029525).

Almost surely, 2^6421010366 is an apocalyptic number.

6421010366 is a deficient number, since it is larger than the sum of its proper divisors (3723462034).

6421010366 is a wasteful number, since it uses less digits than its factorization.

6421010366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100603.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6421010366 is about 80131.2071917053. The cubic root of 6421010366 is about 1858.6650117295.

The spelling of 6421010366 in words is "six billion, four hundred twenty-one million, ten thousand, three hundred sixty-six".