63431443 has 8 divisors (see below), whose sum is σ = 67173120. Its totient is φ = 59730120.

The previous prime is 63431429. The next prime is 63431479. The reversal of 63431443 is 34413436.

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 63431443 - 2⁹ = 63430931 is a prime.

It is a super-2 number, since 2×63431443² = 8047095922124498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63431483) 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, 6823 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (8396640).

Almost surely, 2^63431443 is an apocalyptic number.

63431443 is a deficient number, since it is larger than the sum of its proper divisors (3741677).

63431443 is a wasteful number, since it uses less digits than its factorization.

63431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177.

The product of its digits is 10368, while the sum is 28.

The square root of 63431443 is about 7964.3859148085. The cubic root of 63431443 is about 398.8119812720.

Adding to 63431443 its reverse (34413436), we get a palindrome (97844879).

The spelling of 63431443 in words is "sixty-three million, four hundred thirty-one thousand, four hundred forty-three".