256463530875067 has 4 divisors (see below), whose sum is σ = 256511032923600. Its totient is φ = 256416028826536.

The previous prime is 256463530874989. The next prime is 256463530875113. The reversal of 256463530875067 is 760578035364652.

It is a happy number.

256463530875067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256463530875067 - 2¹¹ = 256463530873019 is a prime.

It is a super-3 number, since 3×256463530875067³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256463530874993 and 256463530875011.

It is not an unprimeable number, because it can be changed into a prime (256463530875667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23751016168 + ... + 23751026965.

It is an arithmetic number, because the mean of its divisors is an integer number (64127758230900).

Almost surely, 2^{256463530875067} is an apocalyptic number.

256463530875067 is a deficient number, since it is larger than the sum of its proper divisors (47502048533).

256463530875067 is an equidigital number, since it uses as much as digits as its factorization.

256463530875067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47502048532.

The product of its (nonzero) digits is 762048000, while the sum is 67.

The spelling of 256463530875067 in words is "two hundred fifty-six trillion, four hundred sixty-three billion, five hundred thirty million, eight hundred seventy-five thousand, sixty-seven".