5991910917 has 8 divisors (see below), whose sum is σ = 7990151424. Its totient is φ = 3994138848.

The previous prime is 5991910901. The next prime is 5991910921. The reversal of 5991910917 is 7190191995.

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

It is not a de Polignac number, because 5991910917 - 2⁴ = 5991910901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5991910917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991910997) 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, 86088 + ... + 139265.

It is an arithmetic number, because the mean of its divisors is an integer number (998768928).

Almost surely, 2^5991910917 is an apocalyptic number.

It is an amenable number.

5991910917 is a deficient number, since it is larger than the sum of its proper divisors (1998240507).

5991910917 is a wasteful number, since it uses less digits than its factorization.

5991910917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234219.

The product of its (nonzero) digits is 229635, while the sum is 51.

The square root of 5991910917 is about 77407.4345072875. The cubic root of 5991910917 is about 1816.3036233982.

The spelling of 5991910917 in words is "five billion, nine hundred ninety-one million, nine hundred ten thousand, nine hundred seventeen".