63142694 has 4 divisors (see below), whose sum is σ = 94714044. Its totient is φ = 31571346.

The previous prime is 63142669. The next prime is 63142697. The reversal of 63142694 is 49624136.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63142697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15785672 + ... + 15785675.

It is an arithmetic number, because the mean of its divisors is an integer number (23678511).

Almost surely, 2^63142694 is an apocalyptic number.

63142694 is a deficient number, since it is larger than the sum of its proper divisors (31571350).

63142694 is a wasteful number, since it uses less digits than its factorization.

63142694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31571349.

The product of its digits is 31104, while the sum is 35.

The square root of 63142694 is about 7946.2377261192. The cubic root of 63142694 is about 398.2059109755.

It can be divided in two parts, 63142 and 694, that added together give a palindrome (63836).

The spelling of 63142694 in words is "sixty-three million, one hundred forty-two thousand, six hundred ninety-four".