6868451745 has 24 divisors (see below), whose sum is σ = 11921397696. Its totient is φ = 3658226208.

The previous prime is 6868451743. The next prime is 6868451753. The reversal of 6868451745 is 5471548686.

6868451745 is a `hidden beast` number, since 6 + 8 + 6 + 84 + 517 + 45 = 666.

It is not a de Polignac number, because 6868451745 - 2¹ = 6868451743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6868451691 and 6868451700.

It is not an unprimeable number, because it can be changed into a prime (6868451743) 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 23 ways as a sum of consecutive naturals, for example, 69279 + ... + 136148.

It is an arithmetic number, because the mean of its divisors is an integer number (496724904).

Almost surely, 2^6868451745 is an apocalyptic number.

It is an amenable number.

6868451745 is a deficient number, since it is larger than the sum of its proper divisors (5052945951).

6868451745 is a wasteful number, since it uses less digits than its factorization.

6868451745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206181 (or 206178 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 6868451745 is about 82876.1228883205. The cubic root of 6868451745 is about 1900.8723367312.

The spelling of 6868451745 in words is "six billion, eight hundred sixty-eight million, four hundred fifty-one thousand, seven hundred forty-five".