12942653441 has 2 divisors, whose sum is σ = 12942653442. Its totient is φ = 12942653440.

The previous prime is 12942653417. The next prime is 12942653443. The reversal of 12942653441 is 14435624921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8305588225 + 4637065216 = 91135^2 + 68096^2 .

It is a cyclic number.

It is not a de Polignac number, because 12942653441 - 2³⁰ = 11868911617 is a prime.

Together with 12942653443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12942653443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471326720 + 6471326721.

It is an arithmetic number, because the mean of its divisors is an integer number (6471326721).

Almost surely, 2^12942653441 is an apocalyptic number.

It is an amenable number.

12942653441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12942653441 is an equidigital number, since it uses as much as digits as its factorization.

12942653441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The spelling of 12942653441 in words is "twelve billion, nine hundred forty-two million, six hundred fifty-three thousand, four hundred forty-one".