12641420383 has 2 divisors, whose sum is σ = 12641420384. Its totient is φ = 12641420382.

The previous prime is 12641420381. The next prime is 12641420387. The reversal of 12641420383 is 38302414621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12641420383 - 2¹ = 12641420381 is a prime.

Together with 12641420381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12641420381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320710191 + 6320710192.

It is an arithmetic number, because the mean of its divisors is an integer number (6320710192).

Almost surely, 2^12641420383 is an apocalyptic number.

12641420383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641420383 is an equidigital number, since it uses as much as digits as its factorization.

12641420383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 12641420383 in words is "twelve billion, six hundred forty-one million, four hundred twenty thousand, three hundred eighty-three".