65826135762061 has 2 divisors, whose sum is σ = 65826135762062. Its totient is φ = 65826135762060.

The previous prime is 65826135762041. The next prime is 65826135762119. The reversal of 65826135762061 is 16026753162856.

It is a happy number.

It is an a-pointer prime, because the next prime (65826135762119) can be obtained adding 65826135762061 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38867506453161 + 26958629308900 = 6234381^2 + 5192170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65826135762061 is a prime.

It is a super-2 number, since 2×65826135762061² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65826135761987 and 65826135762005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65826135762001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32913067881030 + 32913067881031.

It is an arithmetic number, because the mean of its divisors is an integer number (32913067881031).

Almost surely, 2^{65826135762061} is an apocalyptic number.

It is an amenable number.

65826135762061 is a deficient number, since it is larger than the sum of its proper divisors (1).

65826135762061 is an equidigital number, since it uses as much as digits as its factorization.

65826135762061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 65826135762061 in words is "sixty-five trillion, eight hundred twenty-six billion, one hundred thirty-five million, seven hundred sixty-two thousand, sixty-one".