63429481 has 8 divisors (see below), whose sum is σ = 64524744. Its totient is φ = 62340480.

The previous prime is 63429479. The next prime is 63429491. The reversal of 63429481 is 18492436.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 63282025 = 384^2 + 7955^2 .

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 63429481 - 2¹ = 63429479 is a prime.

It is a super-2 number, since 2×63429481² = 8046598119858722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63429481.

It is not an unprimeable number, because it can be changed into a prime (63429491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21771 + ... + 24511.

It is an arithmetic number, because the mean of its divisors is an integer number (8065593).

Almost surely, 2^63429481 is an apocalyptic number.

It is an amenable number.

63429481 is a deficient number, since it is larger than the sum of its proper divisors (1095263).

63429481 is a wasteful number, since it uses less digits than its factorization.

63429481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its digits is 41472, while the sum is 37.

The square root of 63429481 is about 7964.2627405178. The cubic root of 63429481 is about 398.8078693409.

The spelling of 63429481 in words is "sixty-three million, four hundred twenty-nine thousand, four hundred eighty-one".