12745769494 has 4 divisors (see below), whose sum is σ = 19118654244. Its totient is φ = 6372884746.

The previous prime is 12745769489. The next prime is 12745769513. The reversal of 12745769494 is 49496754721.

12745769494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49496754721 = 79 ⋅626541199.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186442372 + ... + 3186442375.

It is an arithmetic number, because the mean of its divisors is an integer number (4779663561).

Almost surely, 2^12745769494 is an apocalyptic number.

12745769494 is a deficient number, since it is larger than the sum of its proper divisors (6372884750).

12745769494 is an equidigital number, since it uses as much as digits as its factorization.

12745769494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372884749.

The product of its digits is 15240960, while the sum is 58.

The spelling of 12745769494 in words is "twelve billion, seven hundred forty-five million, seven hundred sixty-nine thousand, four hundred ninety-four".