256030536653 has 2 divisors, whose sum is σ = 256030536654. Its totient is φ = 256030536652.

The previous prime is 256030536611. The next prime is 256030536659. The reversal of 256030536653 is 356635030652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192371714404 + 63658822249 = 438602^2 + 252307^2 .

It is a cyclic number.

It is not a de Polignac number, because 256030536653 - 2⁸ = 256030536397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256030536659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128015268326 + 128015268327.

It is an arithmetic number, because the mean of its divisors is an integer number (128015268327).

Almost surely, 2^256030536653 is an apocalyptic number.

It is an amenable number.

256030536653 is a deficient number, since it is larger than the sum of its proper divisors (1).

256030536653 is an equidigital number, since it uses as much as digits as its factorization.

256030536653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 44.

The spelling of 256030536653 in words is "two hundred fifty-six billion, thirty million, five hundred thirty-six thousand, six hundred fifty-three".