65350454777 has 2 divisors, whose sum is σ = 65350454778. Its totient is φ = 65350454776.

The previous prime is 65350454717. The next prime is 65350454779. The reversal of 65350454777 is 77745405356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54713420281 + 10637034496 = 233909^2 + 103136^2 .

It is a cyclic number.

It is not a de Polignac number, because 65350454777 - 2¹⁴ = 65350438393 is a prime.

Together with 65350454779, 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 (65350454779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32675227388 + 32675227389.

It is an arithmetic number, because the mean of its divisors is an integer number (32675227389).

Almost surely, 2^65350454777 is an apocalyptic number.

It is an amenable number.

65350454777 is a deficient number, since it is larger than the sum of its proper divisors (1).

65350454777 is an equidigital number, since it uses as much as digits as its factorization.

65350454777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 65350454777 in words is "sixty-five billion, three hundred fifty million, four hundred fifty-four thousand, seven hundred seventy-seven".