1429789998 has 128 divisors (see below), whose sum is σ = 3847495680. Its totient is φ = 343388160.

The previous prime is 1429789969. The next prime is 1429790023. The reversal of 1429789998 is 8999879241.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 285258 + ... + 290226.

It is an arithmetic number, because the mean of its divisors is an integer number (30058560).

Almost surely, 2^1429789998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429789998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923747840).

1429789998 is an abundant number, since it is smaller than the sum of its proper divisors (2417705682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429789998 is a wasteful number, since it uses less digits than its factorization.

1429789998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its digits is 23514624, while the sum is 66.

The square root of 1429789998 is about 37812.5640230863. The cubic root of 1429789998 is about 1126.5680187234.

The spelling of 1429789998 in words is "one billion, four hundred twenty-nine million, seven hundred eighty-nine thousand, nine hundred ninety-eight".