67262608991 has 2 divisors, whose sum is σ = 67262608992. Its totient is φ = 67262608990.

The previous prime is 67262608967. The next prime is 67262608993. The reversal of 67262608991 is 19980626276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67262608991 - 2¹⁸ = 67262346847 is a prime.

Together with 67262608993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67262608993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33631304495 + 33631304496.

It is an arithmetic number, because the mean of its divisors is an integer number (33631304496).

Almost surely, 2^67262608991 is an apocalyptic number.

67262608991 is a deficient number, since it is larger than the sum of its proper divisors (1).

67262608991 is an equidigital number, since it uses as much as digits as its factorization.

67262608991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 67262608991 in words is "sixty-seven billion, two hundred sixty-two million, six hundred eight thousand, nine hundred ninety-one".