65576869651 has 2 divisors, whose sum is σ = 65576869652. Its totient is φ = 65576869650.

The previous prime is 65576869601. The next prime is 65576869663. The reversal of 65576869651 is 15696867556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65576869651 - 2¹⁹ = 65576345363 is a prime.

It is not a weakly prime, because it can be changed into another prime (65576869601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32788434825 + 32788434826.

It is an arithmetic number, because the mean of its divisors is an integer number (32788434826).

Almost surely, 2^65576869651 is an apocalyptic number.

65576869651 is a deficient number, since it is larger than the sum of its proper divisors (1).

65576869651 is an equidigital number, since it uses as much as digits as its factorization.

65576869651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648000, while the sum is 64.

The spelling of 65576869651 in words is "sixty-five billion, five hundred seventy-six million, eight hundred sixty-nine thousand, six hundred fifty-one".