63429231 has 8 divisors (see below), whose sum is σ = 84669184. Its totient is φ = 42237720.

The previous prime is 63429209. The next prime is 63429241. The reversal of 63429231 is 13292436.

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

It is not a de Polignac number, because 63429231 - 2⁷ = 63429103 is a prime.

It is a super-2 number, since 2×63429231² = 8046534690502722, 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 (63429241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8935 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (10583648).

Almost surely, 2^63429231 is an apocalyptic number.

63429231 is a deficient number, since it is larger than the sum of its proper divisors (21239953).

63429231 is a wasteful number, since it uses less digits than its factorization.

63429231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24221.

The product of its digits is 7776, while the sum is 30.

The square root of 63429231 is about 7964.2470453898. The cubic root of 63429231 is about 398.8073453884.

The spelling of 63429231 in words is "sixty-three million, four hundred twenty-nine thousand, two hundred thirty-one".