6918089427 has 12 divisors (see below), whose sum is σ = 10162166040. Its totient is φ = 4533888768.

The previous prime is 6918089413. The next prime is 6918089441. The reversal of 6918089427 is 7249808196.

6918089427 is a `hidden beast` number, since 69 + 1 + 80 + 89 + 427 = 666.

It is an interprime number because it is at equal distance from previous prime (6918089413) and next prime (6918089441).

It is not a de Polignac number, because 6918089427 - 2²⁸ = 6649653971 is a prime.

It is a super-2 number, since 2×6918089427² = 95719922639938376658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6918089407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6513678 + ... + 6514739.

It is an arithmetic number, because the mean of its divisors is an integer number (846847170).

Almost surely, 2^6918089427 is an apocalyptic number.

6918089427 is a deficient number, since it is larger than the sum of its proper divisors (3244076613).

6918089427 is a wasteful number, since it uses less digits than its factorization.

6918089427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028482 (or 13028479 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 6918089427 is about 83175.0529125170. The cubic root of 6918089427 is about 1905.4404941643.

The spelling of 6918089427 in words is "six billion, nine hundred eighteen million, eighty-nine thousand, four hundred twenty-seven".