429172041 has 4 divisors (see below), whose sum is σ = 572229392. Its totient is φ = 286114692.

The previous prime is 429172013. The next prime is 429172069. The reversal of 429172041 is 140271924.

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 an interprime number because it is at equal distance from previous prime (429172013) and next prime (429172069).

It is not a de Polignac number, because 429172041 - 2²¹ = 427074889 is a prime.

It is a super-2 number, since 2×429172041² = 368377281552211362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (429172241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 71528671 + ... + 71528676.

It is an arithmetic number, because the mean of its divisors is an integer number (143057348).

Almost surely, 2^429172041 is an apocalyptic number.

It is an amenable number.

429172041 is a deficient number, since it is larger than the sum of its proper divisors (143057351).

429172041 is a wasteful number, since it uses less digits than its factorization.

429172041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143057350.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 429172041 is about 20716.4678697890. The cubic root of 429172041 is about 754.2994779983.

The spelling of 429172041 in words is "four hundred twenty-nine million, one hundred seventy-two thousand, forty-one".