65053538309 has 2 divisors, whose sum is σ = 65053538310. Its totient is φ = 65053538308.

The previous prime is 65053538293. The next prime is 65053538321. The reversal of 65053538309 is 90383535056.

65053538309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64442361025 + 611177284 = 253855^2 + 24722^2 .

It is a cyclic number.

It is not a de Polignac number, because 65053538309 - 2⁴ = 65053538293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65053538609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32526769154 + 32526769155.

It is an arithmetic number, because the mean of its divisors is an integer number (32526769155).

Almost surely, 2^65053538309 is an apocalyptic number.

It is an amenable number.

65053538309 is a deficient number, since it is larger than the sum of its proper divisors (1).

65053538309 is an equidigital number, since it uses as much as digits as its factorization.

65053538309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 65053538309 in words is "sixty-five billion, fifty-three million, five hundred thirty-eight thousand, three hundred nine".