6511473745 has 8 divisors (see below), whose sum is σ = 8930021184. Its totient is φ = 4465010544.

The previous prime is 6511473743. The next prime is 6511473751. The reversal of 6511473745 is 5473741156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6511473745 - 2¹ = 6511473743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6511473743) 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 7 ways as a sum of consecutive naturals, for example, 93021019 + ... + 93021088.

It is an arithmetic number, because the mean of its divisors is an integer number (1116252648).

Almost surely, 2^6511473745 is an apocalyptic number.

It is an amenable number.

6511473745 is a deficient number, since it is larger than the sum of its proper divisors (2418547439).

6511473745 is a wasteful number, since it uses less digits than its factorization.

6511473745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186042119.

The product of its digits is 352800, while the sum is 43.

The square root of 6511473745 is about 80693.7032549628. The cubic root of 6511473745 is about 1867.3530324414.

The spelling of 6511473745 in words is "six billion, five hundred eleven million, four hundred seventy-three thousand, seven hundred forty-five".