12964476623542 has 4 divisors (see below), whose sum is σ = 19446714935316. Its totient is φ = 6482238311770.

The previous prime is 12964476623531. The next prime is 12964476623587. The reversal of 12964476623542 is 24532667446921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241119155884 + ... + 3241119155887.

It is an arithmetic number, because the mean of its divisors is an integer number (4861678733829).

Almost surely, 2^{12964476623542} is an apocalyptic number.

12964476623542 is a deficient number, since it is larger than the sum of its proper divisors (6482238311774).

12964476623542 is an equidigital number, since it uses as much as digits as its factorization.

12964476623542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482238311773.

The product of its digits is 104509440, while the sum is 61.

The spelling of 12964476623542 in words is "twelve trillion, nine hundred sixty-four billion, four hundred seventy-six million, six hundred twenty-three thousand, five hundred forty-two".