6917421127 has 16 divisors (see below), whose sum is σ = 7392153600. Its totient is φ = 6458749920.

The previous prime is 6917421113. The next prime is 6917421151. The reversal of 6917421127 is 7211247196.

It is a cyclic number.

It is not a de Polignac number, because 6917421127 - 2⁷ = 6917420999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6917421127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6917421107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216274 + ... + 2219392.

It is an arithmetic number, because the mean of its divisors is an integer number (462009600).

Almost surely, 2^6917421127 is an apocalyptic number.

6917421127 is a deficient number, since it is larger than the sum of its proper divisors (474732473).

6917421127 is a wasteful number, since it uses less digits than its factorization.

6917421127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646.

The product of its digits is 42336, while the sum is 40.

The square root of 6917421127 is about 83171.0353849223. The cubic root of 6917421127 is about 1905.3791358513.

The spelling of 6917421127 in words is "six billion, nine hundred seventeen million, four hundred twenty-one thousand, one hundred twenty-seven".