6429445855 has 8 divisors (see below), whose sum is σ = 8817525792. Its totient is φ = 4408762848.

The previous prime is 6429445819. The next prime is 6429445877. The reversal of 6429445855 is 5585449246.

6429445855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6429445855 - 2⁹ = 6429445343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91849192 + ... + 91849261.

It is an arithmetic number, because the mean of its divisors is an integer number (1102190724).

Almost surely, 2^6429445855 is an apocalyptic number.

6429445855 is a deficient number, since it is larger than the sum of its proper divisors (2388079937).

6429445855 is a wasteful number, since it uses less digits than its factorization.

6429445855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183698465.

The product of its digits is 6912000, while the sum is 52.

The square root of 6429445855 is about 80183.8253951506. The cubic root of 6429445855 is about 1859.4785850086.

The spelling of 6429445855 in words is "six billion, four hundred twenty-nine million, four hundred forty-five thousand, eight hundred fifty-five".