258357465493 has 16 divisors (see below), whose sum is σ = 267496926400. Its totient is φ = 249372587520.

The previous prime is 258357465491. The next prime is 258357465523. The reversal of 258357465493 is 394564753852.

It is a cyclic number.

It is not a de Polignac number, because 258357465493 - 2¹ = 258357465491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258357465491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703653 + ... + 1849093.

It is an arithmetic number, because the mean of its divisors is an integer number (16718557900).

Almost surely, 2^258357465493 is an apocalyptic number.

It is an amenable number.

258357465493 is a deficient number, since it is larger than the sum of its proper divisors (9139460907).

258357465493 is a wasteful number, since it uses less digits than its factorization.

258357465493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145972.

The product of its digits is 108864000, while the sum is 61.

The spelling of 258357465493 in words is "two hundred fifty-eight billion, three hundred fifty-seven million, four hundred sixty-five thousand, four hundred ninety-three".