6919426613 has 8 divisors (see below), whose sum is σ = 7551317280. Its totient is φ = 6288011280.

The previous prime is 6919426609. The next prime is 6919426699. The reversal of 6919426613 is 3166249196.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6919426613 - 2² = 6919426609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6919422613) 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, 88043 + ... + 146936.

It is an arithmetic number, because the mean of its divisors is an integer number (943914660).

Almost surely, 2^6919426613 is an apocalyptic number.

It is an amenable number.

6919426613 is a deficient number, since it is larger than the sum of its proper divisors (631890667).

6919426613 is a wasteful number, since it uses less digits than its factorization.

6919426613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237667.

The product of its digits is 419904, while the sum is 47.

The square root of 6919426613 is about 83183.0909079484. The cubic root of 6919426613 is about 1905.5632527301.

The spelling of 6919426613 in words is "six billion, nine hundred nineteen million, four hundred twenty-six thousand, six hundred thirteen".