4000917117 has 4 divisors (see below), whose sum is σ = 5334556160. Its totient is φ = 2667278076.

The previous prime is 4000917113. The next prime is 4000917131. The reversal of 4000917117 is 7117190004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4000917117 - 2² = 4000917113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000917113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666819517 + ... + 666819522.

It is an arithmetic number, because the mean of its divisors is an integer number (1333639040).

Almost surely, 2^4000917117 is an apocalyptic number.

It is an amenable number.

4000917117 is a deficient number, since it is larger than the sum of its proper divisors (1333639043).

4000917117 is a wasteful number, since it uses less digits than its factorization.

4000917117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333639042.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 4000917117 is about 63252.8032343231. The cubic root of 4000917117 is about 1587.5223620716.

The spelling of 4000917117 in words is "four billion, nine hundred seventeen thousand, one hundred seventeen".