63829949 has 4 divisors (see below), whose sum is σ = 67189440. Its totient is φ = 60470460.

The previous prime is 63829943. The next prime is 63829963. The reversal of 63829949 is 94992836.

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 63829949 - 2⁴ = 63829933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63829897 and 63829906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63829943) 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, 1679717 + ... + 1679754.

It is an arithmetic number, because the mean of its divisors is an integer number (16797360).

Almost surely, 2^63829949 is an apocalyptic number.

It is an amenable number.

63829949 is a deficient number, since it is larger than the sum of its proper divisors (3359491).

63829949 is a wasteful number, since it uses less digits than its factorization.

63829949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359490.

The product of its digits is 839808, while the sum is 50.

The square root of 63829949 is about 7989.3647432071. The cubic root of 63829949 is about 399.6454128461.

The spelling of 63829949 in words is "sixty-three million, eight hundred twenty-nine thousand, nine hundred forty-nine".