6479738618 has 16 divisors (see below), whose sum is σ = 10152910656. Its totient is φ = 3095732640.

The previous prime is 6479738611. The next prime is 6479738633. The reversal of 6479738618 is 8168379746.

It is not an unprimeable number, because it can be changed into a prime (6479738611) 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, 30068 + ... + 117743.

It is an arithmetic number, because the mean of its divisors is an integer number (634556916).

Almost surely, 2^6479738618 is an apocalyptic number.

6479738618 is a deficient number, since it is larger than the sum of its proper divisors (3673172038).

6479738618 is a wasteful number, since it uses less digits than its factorization.

6479738618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148789.

The product of its digits is 12192768, while the sum is 59.

The square root of 6479738618 is about 80496.8236516199. The cubic root of 6479738618 is about 1864.3144361165.

The spelling of 6479738618 in words is "six billion, four hundred seventy-nine million, seven hundred thirty-eight thousand, six hundred eighteen".