63430669 has 4 divisors (see below), whose sum is σ = 63834844. Its totient is φ = 63026496.

The previous prime is 63430663. The next prime is 63430673. The reversal of 63430669 is 96603436.

63430669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37675044 + 25755625 = 6138^2 + 5075^2 .

It is a cyclic number.

It is not a de Polignac number, because 63430669 - 2⁵ = 63430637 is a prime.

It is a super-2 number, since 2×63430669² = 8046899539575122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63430663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201852 + ... + 202165.

It is an arithmetic number, because the mean of its divisors is an integer number (15958711).

Almost surely, 2^63430669 is an apocalyptic number.

It is an amenable number.

63430669 is a deficient number, since it is larger than the sum of its proper divisors (404175).

63430669 is a wasteful number, since it uses less digits than its factorization.

63430669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404174.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 63430669 is about 7964.3373233434. The cubic root of 63430669 is about 398.8103591442.

The spelling of 63430669 in words is "sixty-three million, four hundred thirty thousand, six hundred sixty-nine".