258165904093 has 2 divisors, whose sum is σ = 258165904094. Its totient is φ = 258165904092.

The previous prime is 258165904081. The next prime is 258165904109. The reversal of 258165904093 is 390409561852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258041648484 + 124255609 = 507978^2 + 11147^2 .

It is a cyclic number.

It is not a de Polignac number, because 258165904093 - 2¹³ = 258165895901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258165904093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258165904063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129082952046 + 129082952047.

It is an arithmetic number, because the mean of its divisors is an integer number (129082952047).

Almost surely, 2^258165904093 is an apocalyptic number.

It is an amenable number.

258165904093 is a deficient number, since it is larger than the sum of its proper divisors (1).

258165904093 is an equidigital number, since it uses as much as digits as its factorization.

258165904093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 258165904093 in words is "two hundred fifty-eight billion, one hundred sixty-five million, nine hundred four thousand, ninety-three".