65541375929 has 2 divisors, whose sum is σ = 65541375930. Its totient is φ = 65541375928.

The previous prime is 65541375883. The next prime is 65541375937. The reversal of 65541375929 is 92957314556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42994851904 + 22546524025 = 207352^2 + 150155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65541375929 is a prime.

It is a super-2 number, since 2×65541375929² (a number of 22 digits) contains 22 as substring.

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 (65541345929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32770687964 + 32770687965.

It is an arithmetic number, because the mean of its divisors is an integer number (32770687965).

Almost surely, 2^65541375929 is an apocalyptic number.

It is an amenable number.

65541375929 is a deficient number, since it is larger than the sum of its proper divisors (1).

65541375929 is an equidigital number, since it uses as much as digits as its factorization.

65541375929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206000, while the sum is 56.

The spelling of 65541375929 in words is "sixty-five billion, five hundred forty-one million, three hundred seventy-five thousand, nine hundred twenty-nine".