6485911550 has 48 divisors (see below), whose sum is σ = 12261477120. Its totient is φ = 2551966560.

The previous prime is 6485911513. The next prime is 6485911561. The reversal of 6485911550 is 551195846.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4444721 + ... + 4446179.

It is an arithmetic number, because the mean of its divisors is an integer number (255447440).

Almost surely, 2^6485911550 is an apocalyptic number.

6485911550 is a deficient number, since it is larger than the sum of its proper divisors (5775565570).

6485911550 is a wasteful number, since it uses less digits than its factorization.

6485911550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 6485911550 is about 80535.1572296224. The cubic root of 6485911550 is about 1864.9062621345.

The spelling of 6485911550 in words is "six billion, four hundred eighty-five million, nine hundred eleven thousand, five hundred fifty".