4138663718 has 32 divisors (see below), whose sum is σ = 7348665600. Its totient is φ = 1710412704.

The previous prime is 4138663709. The next prime is 4138663729. The reversal of 4138663718 is 8173668314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342821 + ... + 354687.

It is an arithmetic number, because the mean of its divisors is an integer number (229645800).

Almost surely, 2^4138663718 is an apocalyptic number.

4138663718 is a deficient number, since it is larger than the sum of its proper divisors (3210001882).

4138663718 is a wasteful number, since it uses less digits than its factorization.

4138663718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764.

The product of its digits is 580608, while the sum is 47.

The square root of 4138663718 is about 64332.4468522689. The cubic root of 4138663718 is about 1605.5359949977.

The spelling of 4138663718 in words is "four billion, one hundred thirty-eight million, six hundred sixty-three thousand, seven hundred eighteen".