12454843415 has 16 divisors (see below), whose sum is σ = 17091673920. Its totient is φ = 8535091200.

The previous prime is 12454843339. The next prime is 12454843439. The reversal of 12454843415 is 51434845421.

It is a happy number.

It is not a de Polignac number, because 12454843415 - 2²² = 12450649111 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 55100 + ... + 167169.

It is an arithmetic number, because the mean of its divisors is an integer number (1068229620).

Almost surely, 2^12454843415 is an apocalyptic number.

12454843415 is a deficient number, since it is larger than the sum of its proper divisors (4636830505).

12454843415 is a wasteful number, since it uses less digits than its factorization.

12454843415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223882.

The product of its digits is 307200, while the sum is 41.

The spelling of 12454843415 in words is "twelve billion, four hundred fifty-four million, eight hundred forty-three thousand, four hundred fifteen".