65996753551 has 2 divisors, whose sum is σ = 65996753552. Its totient is φ = 65996753550.

The previous prime is 65996753549. The next prime is 65996753569. The reversal of 65996753551 is 15535769956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65996753551 - 2¹ = 65996753549 is a prime.

It is a super-2 number, since 2×65996753551² (a number of 22 digits) contains 22 as substring.

Together with 65996753549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65996753551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65996753051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32998376775 + 32998376776.

It is an arithmetic number, because the mean of its divisors is an integer number (32998376776).

Almost surely, 2^65996753551 is an apocalyptic number.

65996753551 is a deficient number, since it is larger than the sum of its proper divisors (1).

65996753551 is an equidigital number, since it uses as much as digits as its factorization.

65996753551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38272500, while the sum is 61.

The spelling of 65996753551 in words is "sixty-five billion, nine hundred ninety-six million, seven hundred fifty-three thousand, five hundred fifty-one".