256030760353 has 4 divisors (see below), whose sum is σ = 258046750720. Its totient is φ = 254014769988.

The previous prime is 256030760351. The next prime is 256030760387. The reversal of 256030760353 is 353067030652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256030760353 - 2¹ = 256030760351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256030760351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007994993 + ... + 1007995246.

It is an arithmetic number, because the mean of its divisors is an integer number (64511687680).

Almost surely, 2^256030760353 is an apocalyptic number.

It is an amenable number.

256030760353 is a deficient number, since it is larger than the sum of its proper divisors (2015990367).

256030760353 is a wasteful number, since it uses less digits than its factorization.

256030760353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015990366.

The product of its (nonzero) digits is 340200, while the sum is 40.

The spelling of 256030760353 in words is "two hundred fifty-six billion, thirty million, seven hundred sixty thousand, three hundred fifty-three".