63385394 has 4 divisors (see below), whose sum is σ = 95078094. Its totient is φ = 31692696.

The previous prime is 63385373. The next prime is 63385423. The reversal of 63385394 is 49358336.

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

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 30747025 = 5713^2 + 5545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15846347 + ... + 15846350.

Almost surely, 2^63385394 is an apocalyptic number.

63385394 is a deficient number, since it is larger than the sum of its proper divisors (31692700).

63385394 is a wasteful number, since it uses less digits than its factorization.

63385394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31692699.

The product of its digits is 233280, while the sum is 41.

The square root of 63385394 is about 7961.4944577008. The cubic root of 63385394 is about 398.7154500779.

The spelling of 63385394 in words is "sixty-three million, three hundred eighty-five thousand, three hundred ninety-four".