429371491 has 4 divisors (see below), whose sum is σ = 429595552. Its totient is φ = 429147432.

The previous prime is 429371489. The next prime is 429371513. The reversal of 429371491 is 194173924.

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

It is a cyclic number.

It is not a de Polignac number, because 429371491 - 2¹ = 429371489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429371441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109131 + ... + 112996.

It is an arithmetic number, because the mean of its divisors is an integer number (107398888).

Almost surely, 2^429371491 is an apocalyptic number.

429371491 is a deficient number, since it is larger than the sum of its proper divisors (224061).

429371491 is a wasteful number, since it uses less digits than its factorization.

429371491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224060.

The product of its digits is 54432, while the sum is 40.

The square root of 429371491 is about 20721.2811138694. The cubic root of 429371491 is about 754.4163089479.

The spelling of 429371491 in words is "four hundred twenty-nine million, three hundred seventy-one thousand, four hundred ninety-one".