6406211276 has 12 divisors (see below), whose sum is σ = 11252240160. Its totient is φ = 3191285520.

The previous prime is 6406211237. The next prime is 6406211281. The reversal of 6406211276 is 6721126046.

It is an unprimeable number.

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, 2953811 + ... + 2955978.

It is an arithmetic number, because the mean of its divisors is an integer number (937686680).

Almost surely, 2^6406211276 is an apocalyptic number.

It is an amenable number.

6406211276 is a deficient number, since it is larger than the sum of its proper divisors (4846028884).

6406211276 is a wasteful number, since it uses less digits than its factorization.

6406211276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910064 (or 5910062 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 6406211276 is about 80038.8110606348. The cubic root of 6406211276 is about 1857.2359681882.

The spelling of 6406211276 in words is "six billion, four hundred six million, two hundred eleven thousand, two hundred seventy-six".