12641274983 has 4 divisors (see below), whose sum is σ = 12642369240. Its totient is φ = 12640180728.

The previous prime is 12641274979. The next prime is 12641275007. The reversal of 12641274983 is 38947214621.

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

It is a cyclic number.

It is not a de Polignac number, because 12641274983 - 2² = 12641274979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641274683) 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 in 3 ways as a sum of consecutive naturals, for example, 529613 + ... + 552966.

It is an arithmetic number, because the mean of its divisors is an integer number (3160592310).

Almost surely, 2^12641274983 is an apocalyptic number.

12641274983 is a deficient number, since it is larger than the sum of its proper divisors (1094257).

12641274983 is a wasteful number, since it uses less digits than its factorization.

12641274983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094256.

The product of its digits is 580608, while the sum is 47.

The spelling of 12641274983 in words is "twelve billion, six hundred forty-one million, two hundred seventy-four thousand, nine hundred eighty-three".