6945111146 has 8 divisors (see below), whose sum is σ = 10418590980. Its totient is φ = 3472247488.

The previous prime is 6945111109. The next prime is 6945111161. The reversal of 6945111146 is 6411115496.

It can be written as a sum of positive squares in 2 ways, for example, as 6282306121 + 662805025 = 79261^2 + 25745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 124751 + ... + 171618.

Almost surely, 2^6945111146 is an apocalyptic number.

6945111146 is a deficient number, since it is larger than the sum of its proper divisors (3473479834).

6945111146 is a wasteful number, since it uses less digits than its factorization.

6945111146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308088.

The product of its digits is 25920, while the sum is 38.

The square root of 6945111146 is about 83337.3334466612. Note that the first 3 decimals coincide. The cubic root of 6945111146 is about 1907.9181235898.

The spelling of 6945111146 in words is "six billion, nine hundred forty-five million, one hundred eleven thousand, one hundred forty-six".