12895498458 has 64 divisors (see below), whose sum is σ = 29925331200. Its totient is φ = 4108484160.

The previous prime is 12895498457. The next prime is 12895498463. The reversal of 12895498458 is 85489459821.

12895498458 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 549 + 84 + 5 + 8 = 666.

It is a super-3 number, since 3×12895498458³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12895498395 and 12895498404.

It is not an unprimeable number, because it can be changed into a prime (12895498457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2069788 + ... + 2076008.

It is an arithmetic number, because the mean of its divisors is an integer number (467583300).

Almost surely, 2^12895498458 is an apocalyptic number.

12895498458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12895498458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14962665600).

12895498458 is an abundant number, since it is smaller than the sum of its proper divisors (17029832742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12895498458 is a wasteful number, since it uses less digits than its factorization.

12895498458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924 (or 7918 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 63.

The spelling of 12895498458 in words is "twelve billion, eight hundred ninety-five million, four hundred ninety-eight thousand, four hundred fifty-eight".