12781675458 has 24 divisors (see below), whose sum is σ = 28083684096. Its totient is φ = 4200550200.

The previous prime is 12781675447. The next prime is 12781675463. The reversal of 12781675458 is 85457618721.

12781675458 is a `hidden beast` number, since 1 + 27 + 8 + 167 + 5 + 458 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4999378 + ... + 5001933.

It is an arithmetic number, because the mean of its divisors is an integer number (1170153504).

Almost surely, 2^12781675458 is an apocalyptic number.

12781675458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12781675458 is an abundant number, since it is smaller than the sum of its proper divisors (15302008638).

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

12781675458 is a wasteful number, since it uses less digits than its factorization.

12781675458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001390 (or 10001387 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The spelling of 12781675458 in words is "twelve billion, seven hundred eighty-one million, six hundred seventy-five thousand, four hundred fifty-eight".