63846491 has 2 divisors, whose sum is σ = 63846492. Its totient is φ = 63846490.

The previous prime is 63846449. The next prime is 63846533. The reversal of 63846491 is 19464836.

It is a balanced prime because it is at equal distance from previous prime (63846449) and next prime (63846533).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63846491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63846421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31923245 + 31923246.

It is an arithmetic number, because the mean of its divisors is an integer number (31923246).

Almost surely, 2^63846491 is an apocalyptic number.

63846491 is a deficient number, since it is larger than the sum of its proper divisors (1).

63846491 is an equidigital number, since it uses as much as digits as its factorization.

63846491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 63846491 is about 7990.3999274129. The cubic root of 63846491 is about 399.6799335453.

The spelling of 63846491 in words is "sixty-three million, eight hundred forty-six thousand, four hundred ninety-one".