258550270469 has 2 divisors, whose sum is σ = 258550270470. Its totient is φ = 258550270468.

The previous prime is 258550270423. The next prime is 258550270481. The reversal of 258550270469 is 964072055852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134625149569 + 123925120900 = 366913^2 + 352030^2 .

It is a cyclic number.

It is not a de Polignac number, because 258550270469 - 2¹⁶ = 258550204933 is a prime.

It is a super-2 number, since 2×258550270469² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258550270469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258552270469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129275135234 + 129275135235.

It is an arithmetic number, because the mean of its divisors is an integer number (129275135235).

Almost surely, 2^258550270469 is an apocalyptic number.

It is an amenable number.

258550270469 is a deficient number, since it is larger than the sum of its proper divisors (1).

258550270469 is an equidigital number, since it uses as much as digits as its factorization.

258550270469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 258550270469 in words is "two hundred fifty-eight billion, five hundred fifty million, two hundred seventy thousand, four hundred sixty-nine".