12669454390 has 8 divisors (see below), whose sum is σ = 22805017920. Its totient is φ = 5067781752.

The previous prime is 12669454381. The next prime is 12669454397. The reversal of 12669454390 is 9345496621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669454397) 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, 633472710 + ... + 633472729.

It is an arithmetic number, because the mean of its divisors is an integer number (2850627240).

Almost surely, 2^12669454390 is an apocalyptic number.

12669454390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12669454390 is a deficient number, since it is larger than the sum of its proper divisors (10135563530).

12669454390 is a wasteful number, since it uses less digits than its factorization.

12669454390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266945446.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 12669454390 in words is "twelve billion, six hundred sixty-nine million, four hundred fifty-four thousand, three hundred ninety".