12641263754 has 16 divisors (see below), whose sum is σ = 22174709568. Its totient is φ = 5291691552.

The previous prime is 12641263753. The next prime is 12641263759. The reversal of 12641263754 is 45736214621.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12641263751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10498787 + ... + 10499990.

It is an arithmetic number, because the mean of its divisors is an integer number (1385919348).

Almost surely, 2^12641263754 is an apocalyptic number.

12641263754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12641263754 is a deficient number, since it is larger than the sum of its proper divisors (9533445814).

12641263754 is a wasteful number, since it uses less digits than its factorization.

12641263754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20998829.

The product of its digits is 241920, while the sum is 41.

The spelling of 12641263754 in words is "twelve billion, six hundred forty-one million, two hundred sixty-three thousand, seven hundred fifty-four".