65387650841 has 2 divisors, whose sum is σ = 65387650842. Its totient is φ = 65387650840.

The previous prime is 65387650837. The next prime is 65387650877. The reversal of 65387650841 is 14805678356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65384535616 + 3115225 = 255704^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 65387650841 - 2² = 65387650837 is a prime.

It is not a weakly prime, because it can be changed into another prime (65387650831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32693825420 + 32693825421.

It is an arithmetic number, because the mean of its divisors is an integer number (32693825421).

Almost surely, 2^65387650841 is an apocalyptic number.

It is an amenable number.

65387650841 is a deficient number, since it is larger than the sum of its proper divisors (1).

65387650841 is an equidigital number, since it uses as much as digits as its factorization.

65387650841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 65387650841 in words is "sixty-five billion, three hundred eighty-seven million, six hundred fifty thousand, eight hundred forty-one".