63393965 has 8 divisors (see below), whose sum is σ = 76322400. Its totient is φ = 50548752.

The previous prime is 63393959. The next prime is 63393991. The reversal of 63393965 is 56939336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63393965 - 2⁴ = 63393949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19115 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (9540300).

Almost surely, 2^63393965 is an apocalyptic number.

It is an amenable number.

63393965 is a deficient number, since it is larger than the sum of its proper divisors (12928435).

63393965 is a wasteful number, since it uses less digits than its factorization.

63393965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41611.

The product of its digits is 393660, while the sum is 44.

The square root of 63393965 is about 7962.0327178428. The cubic root of 63393965 is about 398.7334207590.

The spelling of 63393965 in words is "sixty-three million, three hundred ninety-three thousand, nine hundred sixty-five".