429149475 has 24 divisors (see below), whose sum is σ = 788364720. Its totient is φ = 228879360.

The previous prime is 429149471. The next prime is 429149491. The reversal of 429149475 is 574941924.

429149475 is a `hidden beast` number, since 4 + 2 + 91 + 494 + 75 = 666.

It is not a de Polignac number, because 429149475 - 2² = 429149471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 429149475.

It is not an unprimeable number, because it can be changed into a prime (429149471) 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 23 ways as a sum of consecutive naturals, for example, 317214 + ... + 318563.

It is an arithmetic number, because the mean of its divisors is an integer number (32848530).

Almost surely, 2^429149475 is an apocalyptic number.

429149475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

429149475 is a deficient number, since it is larger than the sum of its proper divisors (359215245).

429149475 is a wasteful number, since it uses less digits than its factorization.

429149475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635796 (or 635785 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 429149475 is about 20715.9232234530. The cubic root of 429149475 is about 754.2862573325.

The spelling of 429149475 in words is "four hundred twenty-nine million, one hundred forty-nine thousand, four hundred seventy-five".