12843459402 has 48 divisors (see below), whose sum is σ = 26586216576. Its totient is φ = 4136193600.

The previous prime is 12843459397. The next prime is 12843459407. The reversal of 12843459402 is 20495434821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12843459397) and next prime (12843459407).

It is not an unprimeable number, because it can be changed into a prime (12843459407) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4386463 + ... + 4389389.

It is an arithmetic number, because the mean of its divisors is an integer number (553879512).

Almost surely, 2^12843459402 is an apocalyptic number.

12843459402 is an abundant number, since it is smaller than the sum of its proper divisors (13742757174).

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

12843459402 is a wasteful number, since it uses less digits than its factorization.

12843459402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 12843459402 in words is "twelve billion, eight hundred forty-three million, four hundred fifty-nine thousand, four hundred two".