63353389 has 4 divisors (see below), whose sum is σ = 69112800. Its totient is φ = 57593980.

The previous prime is 63353387. The next prime is 63353393. The reversal of 63353389 is 98335336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63353389 - 2¹ = 63353387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63353387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879689 + ... + 2879710.

It is an arithmetic number, because the mean of its divisors is an integer number (17278200).

Almost surely, 2^63353389 is an apocalyptic number.

It is an amenable number.

63353389 is a deficient number, since it is larger than the sum of its proper divisors (5759411).

63353389 is a wasteful number, since it uses less digits than its factorization.

63353389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759410.

The product of its digits is 174960, while the sum is 40.

The square root of 63353389 is about 7959.4842169578. The cubic root of 63353389 is about 398.6483313746.

The spelling of 63353389 in words is "sixty-three million, three hundred fifty-three thousand, three hundred eighty-nine".