258649272473 has 2 divisors, whose sum is σ = 258649272474. Its totient is φ = 258649272472.

The previous prime is 258649272467. The next prime is 258649272491. The reversal of 258649272473 is 374272946852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152527740304 + 106121532169 = 390548^2 + 325763^2 .

It is a cyclic number.

It is not a de Polignac number, because 258649272473 - 2¹² = 258649268377 is a prime.

It is not a weakly prime, because it can be changed into another prime (258649272433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129324636236 + 129324636237.

It is an arithmetic number, because the mean of its divisors is an integer number (129324636237).

Almost surely, 2^258649272473 is an apocalyptic number.

It is an amenable number.

258649272473 is a deficient number, since it is larger than the sum of its proper divisors (1).

258649272473 is an equidigital number, since it uses as much as digits as its factorization.

258649272473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 59.

The spelling of 258649272473 in words is "two hundred fifty-eight billion, six hundred forty-nine million, two hundred seventy-two thousand, four hundred seventy-three".