6478481811 has 8 divisors (see below), whose sum is σ = 8871434704. Its totient is φ = 4202258400.

The previous prime is 6478481753. The next prime is 6478481831. The reversal of 6478481811 is 1181848746.

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

It is not a de Polignac number, because 6478481811 - 2³¹ = 4330998163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478481831) 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, 29182240 + ... + 29182461.

It is an arithmetic number, because the mean of its divisors is an integer number (1108929338).

Almost surely, 2^6478481811 is an apocalyptic number.

6478481811 is a deficient number, since it is larger than the sum of its proper divisors (2392952893).

6478481811 is a wasteful number, since it uses less digits than its factorization.

6478481811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58364741.

The product of its digits is 344064, while the sum is 48.

The square root of 6478481811 is about 80489.0167103562. The cubic root of 6478481811 is about 1864.1938944777.

The spelling of 6478481811 in words is "six billion, four hundred seventy-eight million, four hundred eighty-one thousand, eight hundred eleven".