19140467709 has 8 divisors (see below), whose sum is σ = 27840680352. Its totient is φ = 11600283440.

The previous prime is 19140467677. The next prime is 19140467711. The reversal of 19140467709 is 90776404191.

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 19140467709 - 2⁵ = 19140467677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19140467729) 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, 290007054 + ... + 290007119.

It is an arithmetic number, because the mean of its divisors is an integer number (3480085044).

Almost surely, 2^19140467709 is an apocalyptic number.

It is an amenable number.

19140467709 is a deficient number, since it is larger than the sum of its proper divisors (8700212643).

19140467709 is a wasteful number, since it uses less digits than its factorization.

19140467709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580014187.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 19140467709 in words is "nineteen billion, one hundred forty million, four hundred sixty-seven thousand, seven hundred nine".