256614512353 has 16 divisors (see below), whose sum is σ = 269452339200. Its totient is φ = 243920310480.

The previous prime is 256614512339. The next prime is 256614512359. The reversal of 256614512353 is 353215416652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256614512353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256614512359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3158008 + ... + 3238246.

It is an arithmetic number, because the mean of its divisors is an integer number (16840771200).

Almost surely, 2^256614512353 is an apocalyptic number.

256614512353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256614512353 is a deficient number, since it is larger than the sum of its proper divisors (12837826847).

256614512353 is a wasteful number, since it uses less digits than its factorization.

256614512353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81132.

The product of its digits is 648000, while the sum is 43.

The spelling of 256614512353 in words is "two hundred fifty-six billion, six hundred fourteen million, five hundred twelve thousand, three hundred fifty-three".