429550081 has 4 divisors (see below), whose sum is σ = 452158000. Its totient is φ = 406942164.

The previous prime is 429550073. The next prime is 429550087. The reversal of 429550081 is 180055924.

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 a cyclic number.

It is not a de Polignac number, because 429550081 - 2³ = 429550073 is a prime.

It is a super-2 number, since 2×429550081² = 369026544174213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429550087) 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, 11303931 + ... + 11303968.

It is an arithmetic number, because the mean of its divisors is an integer number (113039500).

Almost surely, 2^429550081 is an apocalyptic number.

It is an amenable number.

429550081 is a deficient number, since it is larger than the sum of its proper divisors (22607919).

429550081 is a wasteful number, since it uses less digits than its factorization.

429550081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22607918.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 429550081 is about 20725.5900036646. The cubic root of 429550081 is about 754.5208901292.

The spelling of 429550081 in words is "four hundred twenty-nine million, five hundred fifty thousand, eighty-one".