6121688017 has 4 divisors (see below), whose sum is σ = 6319161856. Its totient is φ = 5924214180.

The previous prime is 6121688011. The next prime is 6121688021. The reversal of 6121688017 is 7108861216.

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 a cyclic number.

It is not a de Polignac number, because 6121688017 - 2¹⁵ = 6121655249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121688011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98736873 + ... + 98736934.

It is an arithmetic number, because the mean of its divisors is an integer number (1579790464).

Almost surely, 2^6121688017 is an apocalyptic number.

It is an amenable number.

6121688017 is a deficient number, since it is larger than the sum of its proper divisors (197473839).

6121688017 is a wasteful number, since it uses less digits than its factorization.

6121688017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197473838.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 6121688017 is about 78241.2168680933. The cubic root of 6121688017 is about 1829.3230116527.

The spelling of 6121688017 in words is "six billion, one hundred twenty-one million, six hundred eighty-eight thousand, seventeen".