456526523909 has 2 divisors, whose sum is σ = 456526523910. Its totient is φ = 456526523908.

The previous prime is 456526523903. The next prime is 456526523977. The reversal of 456526523909 is 909325625654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433154841025 + 23371682884 = 658145^2 + 152878^2 .

It is a cyclic number.

It is not a de Polignac number, because 456526523909 - 2⁸ = 456526523653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456526523903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228263261954 + 228263261955.

It is an arithmetic number, because the mean of its divisors is an integer number (228263261955).

Almost surely, 2^456526523909 is an apocalyptic number.

It is an amenable number.

456526523909 is a deficient number, since it is larger than the sum of its proper divisors (1).

456526523909 is an equidigital number, since it uses as much as digits as its factorization.

456526523909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496000, while the sum is 56.

The spelling of 456526523909 in words is "four hundred fifty-six billion, five hundred twenty-six million, five hundred twenty-three thousand, nine hundred nine".