6621071284 has 12 divisors (see below), whose sum is σ = 12196710400. Its totient is φ = 3136296888.

The previous prime is 6621071221. The next prime is 6621071339. The reversal of 6621071284 is 4821701266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43559604 + ... + 43559755.

Almost surely, 2^6621071284 is an apocalyptic number.

It is an amenable number.

6621071284 is a deficient number, since it is larger than the sum of its proper divisors (5575639116).

6621071284 is a wasteful number, since it uses less digits than its factorization.

6621071284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87119382 (or 87119380 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 6621071284 is about 81369.9654909599. The cubic root of 6621071284 is about 1877.7715488586.

The spelling of 6621071284 in words is "six billion, six hundred twenty-one million, seventy-one thousand, two hundred eighty-four".