12963533534 has 8 divisors (see below), whose sum is σ = 22223200368. Its totient is φ = 5555800080.

The previous prime is 12963533521. The next prime is 12963533563. The reversal of 12963533534 is 43533536921.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 462983327 + ... + 462983354.

It is an arithmetic number, because the mean of its divisors is an integer number (2777900046).

Almost surely, 2^12963533534 is an apocalyptic number.

12963533534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12963533534 is a deficient number, since it is larger than the sum of its proper divisors (9259666834).

12963533534 is an equidigital number, since it uses as much as digits as its factorization.

12963533534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925966690.

The product of its digits is 874800, while the sum is 44.

The spelling of 12963533534 in words is "twelve billion, nine hundred sixty-three million, five hundred thirty-three thousand, five hundred thirty-four".