65946126911477 has 2 divisors, whose sum is σ = 65946126911478. Its totient is φ = 65946126911476.

The previous prime is 65946126911443. The next prime is 65946126911479. The reversal of 65946126911477 is 77411962164956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65009888762641 + 936238148836 = 8062871^2 + 967594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65946126911477 is a prime.

Together with 65946126911479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65946126911479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32973063455738 + 32973063455739.

It is an arithmetic number, because the mean of its divisors is an integer number (32973063455739).

Almost surely, 2^{65946126911477} is an apocalyptic number.

It is an amenable number.

65946126911477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65946126911477 is an equidigital number, since it uses as much as digits as its factorization.

65946126911477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 68.

The spelling of 65946126911477 in words is "sixty-five trillion, nine hundred forty-six billion, one hundred twenty-six million, nine hundred eleven thousand, four hundred seventy-seven".