6719839401 has 8 divisors (see below), whose sum is σ = 9774311904. Its totient is φ = 4072629920.

The previous prime is 6719839381. The next prime is 6719839409. The reversal of 6719839401 is 1049389176.

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 6719839401 - 2⁶ = 6719839337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6719839409) 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 7 ways as a sum of consecutive naturals, for example, 101815716 + ... + 101815781.

It is an arithmetic number, because the mean of its divisors is an integer number (1221788988).

Almost surely, 2^6719839401 is an apocalyptic number.

It is an amenable number.

6719839401 is a deficient number, since it is larger than the sum of its proper divisors (3054472503).

6719839401 is a wasteful number, since it uses less digits than its factorization.

6719839401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203631511.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 6719839401 is about 81974.6265682254. The cubic root of 6719839401 is about 1887.0625591312.

The spelling of 6719839401 in words is "six billion, seven hundred nineteen million, eight hundred thirty-nine thousand, four hundred one".