6774745102144 has 28 divisors (see below), whose sum is σ = 13444101546084. Its totient is φ = 3387254948864.

The previous prime is 6774745101997. The next prime is 6774745102187. The reversal of 6774745102144 is 4412015474776.

It can be written as a sum of positive squares in 2 ways, for example, as 1557723655744 + 5217021446400 = 1248088^2 + 2284080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6774745102091 and 6774745102100.

It is a congruent number.

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, 35094 + ... + 3681130.

Almost surely, 2^{6774745102144} is an apocalyptic number.

6774745102144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6774745102144 is a deficient number, since it is larger than the sum of its proper divisors (6669356443940).

6774745102144 is a wasteful number, since it uses less digits than its factorization.

6774745102144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675082 (or 3675072 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 6774745102144 in words is "six trillion, seven hundred seventy-four billion, seven hundred forty-five million, one hundred two thousand, one hundred forty-four".