6788136945 has 16 divisors (see below), whose sum is σ = 10866002112. Its totient is φ = 3618678720.

The previous prime is 6788136893. The next prime is 6788136961. The reversal of 6788136945 is 5496318876.

It is not a de Polignac number, because 6788136945 - 2¹¹ = 6788134897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69666 + ... + 135755.

It is an arithmetic number, because the mean of its divisors is an integer number (679125132).

Almost surely, 2^6788136945 is an apocalyptic number.

It is an amenable number.

6788136945 is a deficient number, since it is larger than the sum of its proper divisors (4077865167).

6788136945 is a wasteful number, since it uses less digits than its factorization.

6788136945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207632.

The product of its digits is 8709120, while the sum is 57.

The square root of 6788136945 is about 82390.1507766553. The cubic root of 6788136945 is about 1893.4341178627.

The spelling of 6788136945 in words is "six billion, seven hundred eighty-eight million, one hundred thirty-six thousand, nine hundred forty-five".