6429243409 has 8 divisors (see below), whose sum is σ = 6491028960. Its totient is φ = 6367489536.

The previous prime is 6429243397. The next prime is 6429243433. The reversal of 6429243409 is 9043429246.

It is a happy number.

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

It is not a de Polignac number, because 6429243409 - 2¹³ = 6429235217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6429243439) 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, 694002 + ... + 703204.

It is an arithmetic number, because the mean of its divisors is an integer number (811378620).

Almost surely, 2^6429243409 is an apocalyptic number.

It is an amenable number.

6429243409 is a deficient number, since it is larger than the sum of its proper divisors (61785551).

6429243409 is a wasteful number, since it uses less digits than its factorization.

6429243409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15839.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 6429243409 is about 80182.5629984475. The cubic root of 6429243409 is about 1859.4590681398.

It can be divided in two parts, 64292 and 43409, that added together give a palindrome (107701).

The spelling of 6429243409 in words is "six billion, four hundred twenty-nine million, two hundred forty-three thousand, four hundred nine".