4719668309 has 8 divisors (see below), whose sum is σ = 4774172760. Its totient is φ = 4665196800.

The previous prime is 4719668273. The next prime is 4719668321. The reversal of 4719668309 is 9038669174.

It can be written as a sum of positive squares in 4 ways, for example, as 9591409 + 4710076900 = 3097^2 + 68630^2 .

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 4719668309 - 2¹⁶ = 4719602773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4719668339) 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, 389279 + ... + 401219.

It is an arithmetic number, because the mean of its divisors is an integer number (596771595).

Almost surely, 2^4719668309 is an apocalyptic number.

It is an amenable number.

4719668309 is a deficient number, since it is larger than the sum of its proper divisors (54504451).

4719668309 is a wasteful number, since it uses less digits than its factorization.

4719668309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 4719668309 is about 68699.8421322786. The cubic root of 4719668309 is about 1677.4020111516.

The spelling of 4719668309 in words is "four billion, seven hundred nineteen million, six hundred sixty-eight thousand, three hundred nine".