258104453447 has 4 divisors (see below), whose sum is σ = 259455785856. Its totient is φ = 256753121040.

The previous prime is 258104453401. The next prime is 258104453449. The reversal of 258104453447 is 744354401852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258104453447 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 (258104453449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675665918 + ... + 675666299.

It is an arithmetic number, because the mean of its divisors is an integer number (64863946464).

Almost surely, 2^258104453447 is an apocalyptic number.

258104453447 is a deficient number, since it is larger than the sum of its proper divisors (1351332409).

258104453447 is a wasteful number, since it uses less digits than its factorization.

258104453447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351332408.

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 258104453447 in words is "two hundred fifty-eight billion, one hundred four million, four hundred fifty-three thousand, four hundred forty-seven".