67622657801 has 2 divisors, whose sum is σ = 67622657802. Its totient is φ = 67622657800.

The previous prime is 67622657777. The next prime is 67622657803. The reversal of 67622657801 is 10875622676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64031772025 + 3590885776 = 253045^2 + 59924^2 .

It is a cyclic number.

It is not a de Polignac number, because 67622657801 - 2¹⁴ = 67622641417 is a prime.

It is a super-2 number, since 2×67622657801² (a number of 22 digits) contains 22 as substring.

Together with 67622657803, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67622657801.

It is not a weakly prime, because it can be changed into another prime (67622657803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33811328900 + 33811328901.

It is an arithmetic number, because the mean of its divisors is an integer number (33811328901).

Almost surely, 2^67622657801 is an apocalyptic number.

It is an amenable number.

67622657801 is a deficient number, since it is larger than the sum of its proper divisors (1).

67622657801 is an equidigital number, since it uses as much as digits as its factorization.

67622657801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 67622657801 in words is "sixty-seven billion, six hundred twenty-two million, six hundred fifty-seven thousand, eight hundred one".