6745178953 has 6 divisors (see below), whose sum is σ = 6861445274. Its totient is φ = 6630850464.

The previous prime is 6745178941. The next prime is 6745178959. The reversal of 6745178953 is 3598715476.

It can be written as a sum of positive squares in only one way, i.e., 6745008384 + 170569 = 82128^2 + 413^2 .

It is not a de Polignac number, because 6745178953 - 2⁹ = 6745178441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6745178894 and 6745178903.

It is not an unprimeable number, because it can be changed into a prime (6745178959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 965376 + ... + 972337.

Almost surely, 2^6745178953 is an apocalyptic number.

It is an amenable number.

6745178953 is a deficient number, since it is larger than the sum of its proper divisors (116266321).

6745178953 is an equidigital number, since it uses as much as digits as its factorization.

6745178953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937831 (or 1937772 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The square root of 6745178953 is about 82129.0384273431. The cubic root of 6745178953 is about 1889.4315314882.

The spelling of 6745178953 in words is "six billion, seven hundred forty-five million, one hundred seventy-eight thousand, nine hundred fifty-three".