6429497227 has 4 divisors (see below), whose sum is σ = 6429906520. Its totient is φ = 6429087936.

The previous prime is 6429497219. The next prime is 6429497251. The reversal of 6429497227 is 7227949246.

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 6429497227 - 2³ = 6429497219 is a prime.

It is a super-3 number, since 3×6429497227³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6429497527) 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, 180102 + ... + 212827.

It is an arithmetic number, because the mean of its divisors is an integer number (1607476630).

Almost surely, 2^6429497227 is an apocalyptic number.

6429497227 is a deficient number, since it is larger than the sum of its proper divisors (409293).

6429497227 is a wasteful number, since it uses less digits than its factorization.

6429497227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409292.

The product of its digits is 3048192, while the sum is 52.

The square root of 6429497227 is about 80184.1457334304. The cubic root of 6429497227 is about 1859.4835374768.

The spelling of 6429497227 in words is "six billion, four hundred twenty-nine million, four hundred ninety-seven thousand, two hundred twenty-seven".