6945771832 has 32 divisors (see below), whose sum is σ = 13245112080. Its totient is φ = 3413813760.

The previous prime is 6945771827. The next prime is 6945771851. The reversal of 6945771832 is 2381775496.

It is a self number, because there is not a number n which added to its sum of digits gives 6945771832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013088 + ... + 1019920.

Almost surely, 2^6945771832 is an apocalyptic number.

It is an amenable number.

6945771832 is a deficient number, since it is larger than the sum of its proper divisors (6299340248).

6945771832 is a wasteful number, since it uses less digits than its factorization.

6945771832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983 (or 8979 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 6945771832 is about 83341.2972781202. The cubic root of 6945771832 is about 1907.9786215332.

The spelling of 6945771832 in words is "six billion, nine hundred forty-five million, seven hundred seventy-one thousand, eight hundred thirty-two".