19704909001 has 8 divisors (see below), whose sum is σ = 20139482880. Its totient is φ = 19270973568.

The previous prime is 19704908999. The next prime is 19704909013. The reversal of 19704909001 is 10090940791.

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 19704909001 - 2¹ = 19704908999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19704969001) 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, 96936 + ... + 220921.

It is an arithmetic number, because the mean of its divisors is an integer number (2517435360).

Almost surely, 2^19704909001 is an apocalyptic number.

It is an amenable number.

19704909001 is a deficient number, since it is larger than the sum of its proper divisors (434573879).

19704909001 is a wasteful number, since it uses less digits than its factorization.

19704909001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319223.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 19704909001 in words is "nineteen billion, seven hundred four million, nine hundred nine thousand, one".