65408737741 has 2 divisors, whose sum is σ = 65408737742. Its totient is φ = 65408737740.

The previous prime is 65408737727. The next prime is 65408737781. The reversal of 65408737741 is 14773780456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62210835241 + 3197902500 = 249421^2 + 56550^2 .

It is a cyclic number.

It is not a de Polignac number, because 65408737741 - 2¹⁵ = 65408704973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65408737781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32704368870 + 32704368871.

It is an arithmetic number, because the mean of its divisors is an integer number (32704368871).

Almost surely, 2^65408737741 is an apocalyptic number.

It is an amenable number.

65408737741 is a deficient number, since it is larger than the sum of its proper divisors (1).

65408737741 is an equidigital number, since it uses as much as digits as its factorization.

65408737741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 65408737741 in words is "sixty-five billion, four hundred eight million, seven hundred thirty-seven thousand, seven hundred forty-one".