6425853505 has 8 divisors (see below), whose sum is σ = 8046286272. Its totient is φ = 4917174768.

The previous prime is 6425853463. The next prime is 6425853541. The reversal of 6425853505 is 5053585246.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6425853505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27938379 + ... + 27938608.

It is an arithmetic number, because the mean of its divisors is an integer number (1005785784).

Almost surely, 2^6425853505 is an apocalyptic number.

It is an amenable number.

6425853505 is a deficient number, since it is larger than the sum of its proper divisors (1620432767).

6425853505 is a wasteful number, since it uses less digits than its factorization.

6425853505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55877015.

The product of its (nonzero) digits is 720000, while the sum is 43.

The square root of 6425853505 is about 80161.4215505189. The cubic root of 6425853505 is about 1859.1322025195.

The spelling of 6425853505 in words is "six billion, four hundred twenty-five million, eight hundred fifty-three thousand, five hundred five".