63144986 has 16 divisors (see below), whose sum is σ = 97692480. Its totient is φ = 30596160.

The previous prime is 63144973. The next prime is 63144997. The reversal of 63144986 is 68944136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4610 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (6105780).

Almost surely, 2^63144986 is an apocalyptic number.

63144986 is a deficient number, since it is larger than the sum of its proper divisors (34547494).

63144986 is a wasteful number, since it uses less digits than its factorization.

63144986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669.

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

The square root of 63144986 is about 7946.3819440045. The cubic root of 63144986 is about 398.2107290410.

The spelling of 63144986 in words is "sixty-three million, one hundred forty-four thousand, nine hundred eighty-six".