67477326463 has 2 divisors, whose sum is σ = 67477326464. Its totient is φ = 67477326462.

The previous prime is 67477326457. The next prime is 67477326473. The reversal of 67477326463 is 36462377476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67477326463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67477326473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33738663231 + 33738663232.

It is an arithmetic number, because the mean of its divisors is an integer number (33738663232).

Almost surely, 2^67477326463 is an apocalyptic number.

67477326463 is a deficient number, since it is larger than the sum of its proper divisors (1).

67477326463 is an equidigital number, since it uses as much as digits as its factorization.

67477326463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 55.

The spelling of 67477326463 in words is "sixty-seven billion, four hundred seventy-seven million, three hundred twenty-six thousand, four hundred sixty-three".