429159869 has 8 divisors (see below), whose sum is σ = 436395960. Its totient is φ = 421977600.

The previous prime is 429159847. The next prime is 429159881. The reversal of 429159869 is 968951924.

It can be written as a sum of positive squares in 4 ways, for example, as 59059225 + 370100644 = 7685^2 + 19238^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 429159869 - 2⁸ = 429159613 is a prime.

It is a super-2 number, since 2×429159869² = 368356386320194322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 429159869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429159469) 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 7 ways as a sum of consecutive naturals, for example, 2789 + ... + 29429.

It is an arithmetic number, because the mean of its divisors is an integer number (54549495).

Almost surely, 2^429159869 is an apocalyptic number.

It is an amenable number.

429159869 is a deficient number, since it is larger than the sum of its proper divisors (7236091).

429159869 is a wasteful number, since it uses less digits than its factorization.

429159869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911.

The product of its digits is 1399680, while the sum is 53.

The square root of 429159869 is about 20716.1740917574. The cubic root of 429159869 is about 754.2923468875.

The spelling of 429159869 in words is "four hundred twenty-nine million, one hundred fifty-nine thousand, eight hundred sixty-nine".