6928946091 has 16 divisors (see below), whose sum is σ = 10355951520. Its totient is φ = 4578416640.

The previous prime is 6928946053. The next prime is 6928946111. The reversal of 6928946091 is 1906498296.

6928946091 is a `hidden beast` number, since 6 + 9 + 28 + 9 + 4 + 609 + 1 = 666.

It is not a de Polignac number, because 6928946091 - 2²⁷ = 6794728363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6928946021) 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, 1132470 + ... + 1138571.

It is an arithmetic number, because the mean of its divisors is an integer number (647246970).

Almost surely, 2^6928946091 is an apocalyptic number.

6928946091 is a deficient number, since it is larger than the sum of its proper divisors (3427005429).

6928946091 is a wasteful number, since it uses less digits than its factorization.

6928946091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271163 (or 2271157 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 6928946091 is about 83240.2912717153. The cubic root of 6928946091 is about 1906.4367188940.

The spelling of 6928946091 in words is "six billion, nine hundred twenty-eight million, nine hundred forty-six thousand, ninety-one".