67952489623 has 2 divisors, whose sum is σ = 67952489624. Its totient is φ = 67952489622.

The previous prime is 67952489611. The next prime is 67952489639. The reversal of 67952489623 is 32698425976.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67952489623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67952489653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33976244811 + 33976244812.

It is an arithmetic number, because the mean of its divisors is an integer number (33976244812).

Almost surely, 2^67952489623 is an apocalyptic number.

67952489623 is a deficient number, since it is larger than the sum of its proper divisors (1).

67952489623 is an equidigital number, since it uses as much as digits as its factorization.

67952489623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 61.

The spelling of 67952489623 in words is "sixty-seven billion, nine hundred fifty-two million, four hundred eighty-nine thousand, six hundred twenty-three".