65092265809 has 2 divisors, whose sum is σ = 65092265810. Its totient is φ = 65092265808.

The previous prime is 65092265807. The next prime is 65092265921. The reversal of 65092265809 is 90856229056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45655723584 + 19436542225 = 213672^2 + 139415^2 .

It is a cyclic number.

It is not a de Polignac number, because 65092265809 - 2¹ = 65092265807 is a prime.

Together with 65092265807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65092265807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32546132904 + 32546132905.

It is an arithmetic number, because the mean of its divisors is an integer number (32546132905).

Almost surely, 2^65092265809 is an apocalyptic number.

It is an amenable number.

65092265809 is a deficient number, since it is larger than the sum of its proper divisors (1).

65092265809 is an equidigital number, since it uses as much as digits as its factorization.

65092265809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 65092265809 in words is "sixty-five billion, ninety-two million, two hundred sixty-five thousand, eight hundred nine".