258749113461 has 8 divisors (see below), whose sum is σ = 345005944704. Its totient is φ = 172495845600.

The previous prime is 258749113459. The next prime is 258749113477. The reversal of 258749113461 is 164311947852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258749113461 - 2¹ = 258749113459 is a prime.

It is a super-2 number, since 2×258749113461² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258749113421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716541 + ... + 1015346.

It is an arithmetic number, because the mean of its divisors is an integer number (43125743088).

Almost surely, 2^258749113461 is an apocalyptic number.

It is an amenable number.

258749113461 is a deficient number, since it is larger than the sum of its proper divisors (86256831243).

258749113461 is a wasteful number, since it uses less digits than its factorization.

258749113461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781691.

The product of its digits is 1451520, while the sum is 51.

The spelling of 258749113461 in words is "two hundred fifty-eight billion, seven hundred forty-nine million, one hundred thirteen thousand, four hundred sixty-one".