984424234709 has 4 divisors (see below), whose sum is σ = 1027225288416. Its totient is φ = 941623181004.

The previous prime is 984424234681. The next prime is 984424234723. The reversal of 984424234709 is 907432424489.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-984424234709 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 (984424234769) 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, 21400526819 + ... + 21400526864.

It is an arithmetic number, because the mean of its divisors is an integer number (256806322104).

Almost surely, 2^984424234709 is an apocalyptic number.

It is an amenable number.

984424234709 is a deficient number, since it is larger than the sum of its proper divisors (42801053707).

984424234709 is a wasteful number, since it uses less digits than its factorization.

984424234709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42801053706.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 984424234709 in words is "nine hundred eighty-four billion, four hundred twenty-four million, two hundred thirty-four thousand, seven hundred nine".