65726672737267 has 2 divisors, whose sum is σ = 65726672737268. Its totient is φ = 65726672737266.

The previous prime is 65726672737199. The next prime is 65726672737291. The reversal of 65726672737267 is 76273727662756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65726672737267 - 2⁷ = 65726672737139 is a prime.

It is a super-2 number, since 2×65726672737267² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65726672737267.

It is not a weakly prime, because it can be changed into another prime (65726672732267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32863336368633 + 32863336368634.

It is an arithmetic number, because the mean of its divisors is an integer number (32863336368634).

Almost surely, 2^{65726672737267} is an apocalyptic number.

65726672737267 is a deficient number, since it is larger than the sum of its proper divisors (1).

65726672737267 is an equidigital number, since it uses as much as digits as its factorization.

65726672737267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2613824640, while the sum is 73.

The spelling of 65726672737267 in words is "sixty-five trillion, seven hundred twenty-six billion, six hundred seventy-two million, seven hundred thirty-seven thousand, two hundred sixty-seven".