6867428417 has 4 divisors (see below), whose sum is σ = 6870327216. Its totient is φ = 6864529620.

The previous prime is 6867428371. The next prime is 6867428459. The reversal of 6867428417 is 7148247686.

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 a de Polignac number, because none of the positive numbers 2^k-6867428417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6867428917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445843 + ... + 1450584.

It is an arithmetic number, because the mean of its divisors is an integer number (1717581804).

Almost surely, 2^6867428417 is an apocalyptic number.

It is an amenable number.

6867428417 is a deficient number, since it is larger than the sum of its proper divisors (2898799).

6867428417 is a wasteful number, since it uses less digits than its factorization.

6867428417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898798.

The product of its digits is 3612672, while the sum is 53.

The square root of 6867428417 is about 82869.9488174091. The cubic root of 6867428417 is about 1900.7779286282. Note that the first 3 decimals are identical.

The spelling of 6867428417 in words is "six billion, eight hundred sixty-seven million, four hundred twenty-eight thousand, four hundred seventeen".