258072064469 has 2 divisors, whose sum is σ = 258072064470. Its totient is φ = 258072064468.

The previous prime is 258072064417. The next prime is 258072064507. The reversal of 258072064469 is 964460270852.

It is a happy number.

258072064469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252516300100 + 5555764369 = 502510^2 + 74537^2 .

It is a cyclic number.

It is not a de Polignac number, because 258072064469 - 2²⁴ = 258055287253 is a prime.

It is a super-2 number, since 2×258072064469² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 258072064469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258072064409) 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, 129036032234 + 129036032235.

It is an arithmetic number, because the mean of its divisors is an integer number (129036032235).

Almost surely, 2^258072064469 is an apocalyptic number.

It is an amenable number.

258072064469 is a deficient number, since it is larger than the sum of its proper divisors (1).

258072064469 is an equidigital number, since it uses as much as digits as its factorization.

258072064469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 258072064469 in words is "two hundred fifty-eight billion, seventy-two million, sixty-four thousand, four hundred sixty-nine".