427043069 has 8 divisors (see below), whose sum is σ = 451503840. Its totient is φ = 402780816.

The previous prime is 427043053. The next prime is 427043129. The reversal of 427043069 is 960340724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427043069 - 2⁴ = 427043053 is a prime.

It is a super-2 number, since 2×427043069² = 364731565561877522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427043039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45194 + ... + 53819.

It is an arithmetic number, because the mean of its divisors is an integer number (56437980).

Almost surely, 2^427043069 is an apocalyptic number.

It is an amenable number.

427043069 is a deficient number, since it is larger than the sum of its proper divisors (24460771).

427043069 is a wasteful number, since it uses less digits than its factorization.

427043069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99259.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 427043069 is about 20665.0204209916. The cubic root of 427043069 is about 753.0501381349.

The spelling of 427043069 in words is "four hundred twenty-seven million, forty-three thousand, sixty-nine".