256063405410453 has 8 divisors (see below), whose sum is σ = 341421464996128. Its totient is φ = 170707141382544.

The previous prime is 256063405410401. The next prime is 256063405410473. The reversal of 256063405410453 is 354014504360652.

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

It is not a de Polignac number, because 256063405410453 - 2⁶ = 256063405410389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256063405410473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448556650 + ... + 449127147.

It is an arithmetic number, because the mean of its divisors is an integer number (42677683124516).

Almost surely, 2^{256063405410453} is an apocalyptic number.

It is an amenable number.

256063405410453 is a deficient number, since it is larger than the sum of its proper divisors (85358059585675).

256063405410453 is an equidigital number, since it uses as much as digits as its factorization.

256063405410453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897778883.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 256063405410453 in words is "two hundred fifty-six trillion, sixty-three billion, four hundred five million, four hundred ten thousand, four hundred fifty-three".