6939127089 has 8 divisors (see below), whose sum is σ = 10280188320. Its totient is φ = 4626084708.

The previous prime is 6939127081. The next prime is 6939127157. The reversal of 6939127089 is 9807219396.

It is not a de Polignac number, because 6939127089 - 2³ = 6939127081 is a prime.

It is a super-2 number, since 2×6939127089² = 96302969514587227842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6939127081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128502327 + ... + 128502380.

It is an arithmetic number, because the mean of its divisors is an integer number (1285023540).

Almost surely, 2^6939127089 is an apocalyptic number.

It is an amenable number.

6939127089 is a deficient number, since it is larger than the sum of its proper divisors (3341061231).

6939127089 is a wasteful number, since it uses less digits than its factorization.

6939127089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257004716 (or 257004710 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 6939127089 is about 83301.4230910853. The cubic root of 6939127089 is about 1907.3699983832.

The spelling of 6939127089 in words is "six billion, nine hundred thirty-nine million, one hundred twenty-seven thousand, eighty-nine".