258383669 has 2 divisors, whose sum is σ = 258383670. Its totient is φ = 258383668.

The previous prime is 258383651. The next prime is 258383701. The reversal of 258383669 is 966383852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248692900 + 9690769 = 15770^2 + 3113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258383669 is a prime.

It is a super-2 number, since 2×258383669² = 133524240811803122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258383269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129191834 + 129191835.

It is an arithmetic number, because the mean of its divisors is an integer number (129191835).

Almost surely, 2^258383669 is an apocalyptic number.

It is an amenable number.

258383669 is a deficient number, since it is larger than the sum of its proper divisors (1).

258383669 is an equidigital number, since it uses as much as digits as its factorization.

258383669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 50.

The square root of 258383669 is about 16074.3170616981. The cubic root of 258383669 is about 636.9250848597.

The spelling of 258383669 in words is "two hundred fifty-eight million, three hundred eighty-three thousand, six hundred sixty-nine".