429181042 has 4 divisors (see below), whose sum is σ = 643771566. Its totient is φ = 214590520.

The previous prime is 429181007. The next prime is 429181061. The reversal of 429181042 is 240181924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 427621041 + 1560001 = 20679^2 + 1249^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 429180995 and 429181013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107295259 + ... + 107295262.

Almost surely, 2^429181042 is an apocalyptic number.

429181042 is a deficient number, since it is larger than the sum of its proper divisors (214590524).

429181042 is a wasteful number, since it uses less digits than its factorization.

429181042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214590523.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 429181042 is about 20716.6851112817. The cubic root of 429181042 is about 754.3047512543.

The spelling of 429181042 in words is "four hundred twenty-nine million, one hundred eighty-one thousand, forty-two".