68536463 has 2 divisors, whose sum is σ = 68536464. Its totient is φ = 68536462.

The previous prime is 68536411. The next prime is 68536547. The reversal of 68536463 is 36463586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68536463 - 2⁶ = 68536399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68536463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68535463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34268231 + 34268232.

It is an arithmetic number, because the mean of its divisors is an integer number (34268232).

Almost surely, 2^68536463 is an apocalyptic number.

68536463 is a deficient number, since it is larger than the sum of its proper divisors (1).

68536463 is an equidigital number, since it uses as much as digits as its factorization.

68536463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 68536463 is about 8278.6751959477. The cubic root of 68536463 is about 409.2360611037.

The spelling of 68536463 in words is "sixty-eight million, five hundred thirty-six thousand, four hundred sixty-three".