6271989628 has 12 divisors (see below), whose sum is σ = 11007077760. Its totient is φ = 3127110272.

The previous prime is 6271989541. The next prime is 6271989671. The reversal of 6271989628 is 8269891726.

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 3 ways as a sum of consecutive naturals, for example, 2219548 + ... + 2222371.

It is an arithmetic number, because the mean of its divisors is an integer number (917256480).

Almost surely, 2^6271989628 is an apocalyptic number.

It is an amenable number.

6271989628 is a deficient number, since it is larger than the sum of its proper divisors (4735088132).

6271989628 is a wasteful number, since it uses less digits than its factorization.

6271989628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442276 (or 4442274 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 6271989628 is about 79195.8940097275. The cubic root of 6271989628 is about 1844.1735002530.

The spelling of 6271989628 in words is "six billion, two hundred seventy-one million, nine hundred eighty-nine thousand, six hundred twenty-eight".