429091071 has 4 divisors (see below), whose sum is σ = 572121432. Its totient is φ = 286060712.

The previous prime is 429091051. The next prime is 429091073. The reversal of 429091071 is 170190924.

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 429091071 - 2⁷ = 429090943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429091073) 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, 71515176 + ... + 71515181.

It is an arithmetic number, because the mean of its divisors is an integer number (143030358).

Almost surely, 2^429091071 is an apocalyptic number.

429091071 is a deficient number, since it is larger than the sum of its proper divisors (143030361).

429091071 is a wasteful number, since it uses less digits than its factorization.

429091071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143030360.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 429091071 is about 20714.5135352004. The cubic root of 429091071 is about 754.2520382272.

The spelling of 429091071 in words is "four hundred twenty-nine million, ninety-one thousand, seventy-one".