22665140310641 has 2 divisors, whose sum is σ = 22665140310642. Its totient is φ = 22665140310640.

The previous prime is 22665140310443. The next prime is 22665140310643. The reversal of 22665140310641 is 14601304156622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21548164000000 + 1116976310641 = 4642000^2 + 1056871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22665140310641 is a prime.

Together with 22665140310643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22665140310643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332570155320 + 11332570155321.

It is an arithmetic number, because the mean of its divisors is an integer number (11332570155321).

Almost surely, 2^{22665140310641} is an apocalyptic number.

It is an amenable number.

22665140310641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22665140310641 is an equidigital number, since it uses as much as digits as its factorization.

22665140310641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 22665140310641 in words is "twenty-two trillion, six hundred sixty-five billion, one hundred forty million, three hundred ten thousand, six hundred forty-one".