63133946 has 4 divisors (see below), whose sum is σ = 94700922. Its totient is φ = 31566972.

The previous prime is 63133901. The next prime is 63133991. The reversal of 63133946 is 64933136.

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

It is an interprime number because it is at equal distance from previous prime (63133901) and next prime (63133991).

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 16362025 = 6839^2 + 4045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15783485 + ... + 15783488.

Almost surely, 2^63133946 is an apocalyptic number.

63133946 is a deficient number, since it is larger than the sum of its proper divisors (31566976).

63133946 is a wasteful number, since it uses less digits than its factorization.

63133946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31566975.

The product of its digits is 34992, while the sum is 35.

The square root of 63133946 is about 7945.6872578777. The cubic root of 63133946 is about 398.1875205333.

The spelling of 63133946 in words is "sixty-three million, one hundred thirty-three thousand, nine hundred forty-six".