65651005561627 has 2 divisors, whose sum is σ = 65651005561628. Its totient is φ = 65651005561626.

The previous prime is 65651005561607. The next prime is 65651005561637. The reversal of 65651005561627 is 72616550015656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65651005561627 - 2³⁵ = 65616645823259 is a prime.

It is not a weakly prime, because it can be changed into another prime (65651005561607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32825502780813 + 32825502780814.

It is an arithmetic number, because the mean of its divisors is an integer number (32825502780814).

Almost surely, 2^{65651005561627} is an apocalyptic number.

65651005561627 is a deficient number, since it is larger than the sum of its proper divisors (1).

65651005561627 is an equidigital number, since it uses as much as digits as its factorization.

65651005561627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 65651005561627 in words is "sixty-five trillion, six hundred fifty-one billion, five million, five hundred sixty-one thousand, six hundred twenty-seven".