429319818 has 32 divisors (see below), whose sum is σ = 967489920. Its totient is φ = 141089760.

The previous prime is 429319753. The next prime is 429319831. The reversal of 429319818 is 818913924.

It is a super-2 number, since 2×429319818² = 368631012255106248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52155 + ... + 59822.

It is an arithmetic number, because the mean of its divisors is an integer number (30234060).

Almost surely, 2^429319818 is an apocalyptic number.

429319818 is an abundant number, since it is smaller than the sum of its proper divisors (538170102).

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

429319818 is a wasteful number, since it uses less digits than its factorization.

429319818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112059 (or 112053 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 429319818 is about 20720.0342181185. The cubic root of 429319818 is about 754.3860441550.

The spelling of 429319818 in words is "four hundred twenty-nine million, three hundred nineteen thousand, eight hundred eighteen".