12584219494 has 72 divisors (see below), whose sum is σ = 25185780144. Its totient is φ = 4689669600.

The previous prime is 12584219449. The next prime is 12584219507. The reversal of 12584219494 is 49491248521.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 249664 + ... + 295804.

It is an arithmetic number, because the mean of its divisors is an integer number (349802502).

Almost surely, 2^12584219494 is an apocalyptic number.

12584219494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12584219494 is an abundant number, since it is smaller than the sum of its proper divisors (12601560650).

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

12584219494 is a wasteful number, since it uses less digits than its factorization.

12584219494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46202 (or 46184 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The spelling of 12584219494 in words is "twelve billion, five hundred eighty-four million, two hundred nineteen thousand, four hundred ninety-four".