63429789 has 4 divisors (see below), whose sum is σ = 84573056. Its totient is φ = 42286524.

The previous prime is 63429761. The next prime is 63429799. The reversal of 63429789 is 98792436.

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 not a de Polignac number, because 63429789 - 2¹² = 63425693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63429739) 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 3 ways as a sum of consecutive naturals, for example, 10571629 + ... + 10571634.

It is an arithmetic number, because the mean of its divisors is an integer number (21143264).

Almost surely, 2^63429789 is an apocalyptic number.

It is an amenable number.

63429789 is a deficient number, since it is larger than the sum of its proper divisors (21143267).

63429789 is a wasteful number, since it uses less digits than its factorization.

63429789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143266.

The product of its digits is 653184, while the sum is 48.

The square root of 63429789 is about 7964.2820768730. The cubic root of 63429789 is about 398.8085148484.

The spelling of 63429789 in words is "sixty-three million, four hundred twenty-nine thousand, seven hundred eighty-nine".