63012189 has 24 divisors (see below), whose sum is σ = 89867232. Its totient is φ = 39261600.

The previous prime is 63012167. The next prime is 63012197. The reversal of 63012189 is 98121036.

It is not a de Polignac number, because 63012189 - 2¹¹ = 63010141 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63012199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89539 + ... + 90239.

It is an arithmetic number, because the mean of its divisors is an integer number (3744468).

Almost surely, 2^63012189 is an apocalyptic number.

It is an amenable number.

63012189 is a deficient number, since it is larger than the sum of its proper divisors (26855043).

63012189 is a wasteful number, since it uses less digits than its factorization.

63012189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 63012189 is about 7938.0217308848. The cubic root of 63012189 is about 397.9313808958.

The spelling of 63012189 in words is "sixty-three million, twelve thousand, one hundred eighty-nine".