63889589 has 2 divisors, whose sum is σ = 63889590. Its totient is φ = 63889588.

The previous prime is 63889559. The next prime is 63889619. The reversal of 63889589 is 98598836.

It is a balanced prime because it is at equal distance from previous prime (63889559) and next prime (63889619).

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 9351364 = 7385^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 63889589 - 2²⁰ = 62841013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63889549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31944794 + 31944795.

It is an arithmetic number, because the mean of its divisors is an integer number (31944795).

Almost surely, 2^63889589 is an apocalyptic number.

It is an amenable number.

63889589 is a deficient number, since it is larger than the sum of its proper divisors (1).

63889589 is an equidigital number, since it uses as much as digits as its factorization.

63889589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 56.

The square root of 63889589 is about 7993.0963337120. The cubic root of 63889589 is about 399.7698446801.

The spelling of 63889589 in words is "sixty-three million, eight hundred eighty-nine thousand, five hundred eighty-nine".