12735435542 has 4 divisors (see below), whose sum is σ = 19103153316. Its totient is φ = 6367717770.

The previous prime is 12735435541. The next prime is 12735435563. The reversal of 12735435542 is 24553453721.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12735435542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735435541) 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 as a sum of consecutive naturals, namely, 3183858884 + ... + 3183858887.

It is an arithmetic number, because the mean of its divisors is an integer number (4775788329).

Almost surely, 2^12735435542 is an apocalyptic number.

12735435542 is a deficient number, since it is larger than the sum of its proper divisors (6367717774).

12735435542 is an equidigital number, since it uses as much as digits as its factorization.

12735435542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367717773.

The product of its digits is 504000, while the sum is 41.

The spelling of 12735435542 in words is "twelve billion, seven hundred thirty-five million, four hundred thirty-five thousand, five hundred forty-two".