6487818955 has 32 divisors (see below), whose sum is σ = 8420060160. Its totient is φ = 4784250240.

The previous prime is 6487818949. The next prime is 6487818959. The reversal of 6487818955 is 5598187846.

It is not a de Polignac number, because 6487818955 - 2¹⁵ = 6487786187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6487818893 and 6487818902.

It is not an unprimeable number, because it can be changed into a prime (6487818959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2102844 + ... + 2105926.

It is an arithmetic number, because the mean of its divisors is an integer number (263126880).

Almost surely, 2^6487818955 is an apocalyptic number.

6487818955 is a deficient number, since it is larger than the sum of its proper divisors (1932241205).

6487818955 is a wasteful number, since it uses less digits than its factorization.

6487818955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its digits is 19353600, while the sum is 61.

The square root of 6487818955 is about 80546.9984232808. The cubic root of 6487818955 is about 1865.0890574574.

The spelling of 6487818955 in words is "six billion, four hundred eighty-seven million, eight hundred eighteen thousand, nine hundred fifty-five".