8435429642 has 8 divisors (see below), whose sum is σ = 12653610816. Its totient is φ = 4217559372.

The previous prime is 8435429621. The next prime is 8435429647. The reversal of 8435429642 is 2469245348.

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

It is not an unprimeable number, because it can be changed into a prime (8435429647) 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, 9833 + ... + 130259.

It is an arithmetic number, because the mean of its divisors is an integer number (1581701352).

Almost surely, 2^8435429642 is an apocalyptic number.

8435429642 is a deficient number, since it is larger than the sum of its proper divisors (4218181174).

8435429642 is a wasteful number, since it uses less digits than its factorization.

8435429642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155452.

The product of its digits is 1658880, while the sum is 47.

The square root of 8435429642 is about 91844.5950614406. The cubic root of 8435429642 is about 2035.6466857515.

The spelling of 8435429642 in words is "eight billion, four hundred thirty-five million, four hundred twenty-nine thousand, six hundred forty-two".