65092265921 has 2 divisors, whose sum is σ = 65092265922. Its totient is φ = 65092265920.

The previous prime is 65092265809. The next prime is 65092265939. The reversal of 65092265921 is 12956229056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45796000000 + 19296265921 = 214000^2 + 138911^2 .

It is a cyclic number.

It is not a de Polignac number, because 65092265921 - 2¹⁸ = 65092003777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65092265321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32546132960 + 32546132961.

It is an arithmetic number, because the mean of its divisors is an integer number (32546132961).

Almost surely, 2^65092265921 is an apocalyptic number.

It is an amenable number.

65092265921 is a deficient number, since it is larger than the sum of its proper divisors (1).

65092265921 is an equidigital number, since it uses as much as digits as its factorization.

65092265921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 65092265921 in words is "sixty-five billion, ninety-two million, two hundred sixty-five thousand, nine hundred twenty-one".