63498389 has 2 divisors, whose sum is σ = 63498390. Its totient is φ = 63498388.

The previous prime is 63498343. The next prime is 63498427. The reversal of 63498389 is 98389436.

63498389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 20857489 = 6530^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 63498389 - 2²⁰ = 62449813 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63498319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31749194 + 31749195.

It is an arithmetic number, because the mean of its divisors is an integer number (31749195).

Almost surely, 2^63498389 is an apocalyptic number.

It is an amenable number.

63498389 is a deficient number, since it is larger than the sum of its proper divisors (1).

63498389 is an equidigital number, since it uses as much as digits as its factorization.

63498389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 63498389 is about 7968.5876414833. The cubic root of 63498389 is about 398.9522349507.

The spelling of 63498389 in words is "sixty-three million, four hundred ninety-eight thousand, three hundred eighty-nine".