12454663376 has 10 divisors (see below), whose sum is σ = 24130910322. Its totient is φ = 6227331680.

The previous prime is 12454663373. The next prime is 12454663387. The reversal of 12454663376 is 67336645421.

It can be written as a sum of positive squares in only one way, i.e., 11620840000 + 833823376 = 107800^2 + 28876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12454663376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454663373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389208215 + ... + 389208246.

Almost surely, 2^12454663376 is an apocalyptic number.

12454663376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12454663376 is a deficient number, since it is larger than the sum of its proper divisors (11676246946).

12454663376 is an equidigital number, since it uses as much as digits as its factorization.

12454663376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778416469 (or 778416463 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 47.

The spelling of 12454663376 in words is "twelve billion, four hundred fifty-four million, six hundred sixty-three thousand, three hundred seventy-six".