6478536358746 has 48 divisors (see below), whose sum is σ = 14524201341000. Its totient is φ = 2084566022784.

The previous prime is 6478536358741. The next prime is 6478536358753.

6478536358746 is a `hidden beast` number, since 6 + 4 + 7 + 8 + 5 + 36 + 3 + 587 + 4 + 6 = 666.

6478536358746 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3521646326025 + 2956890032721 = 1876605^2 + 1719561^2 .

It is not an unprimeable number, because it can be changed into a prime (6478536358741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843300 + ... + 3697056.

Almost surely, 2^{6478536358746} is an apocalyptic number.

6478536358746 is an abundant number, since it is smaller than the sum of its proper divisors (8045664982254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6478536358746 is a wasteful number, since it uses less digits than its factorization.

6478536358746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858143 (or 2858140 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 72.

The spelling of 6478536358746 in words is "six trillion, four hundred seventy-eight billion, five hundred thirty-six million, three hundred fifty-eight thousand, seven hundred forty-six".