19990035001 has 8 divisors (see below), whose sum is σ = 20047151744. Its totient is φ = 19932953040.

The previous prime is 19990034993. The next prime is 19990035007. The reversal of 19990035001 is 10053009991.

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 19990035001 - 2³ = 19990034993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19990035007) 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, 1511146 + ... + 1524316.

It is an arithmetic number, because the mean of its divisors is an integer number (2505893968).

Almost surely, 2^19990035001 is an apocalyptic number.

It is an amenable number.

19990035001 is a deficient number, since it is larger than the sum of its proper divisors (57116743).

19990035001 is a wasteful number, since it uses less digits than its factorization.

19990035001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391.

The product of its (nonzero) digits is 10935, while the sum is 37.

The spelling of 19990035001 in words is "nineteen billion, nine hundred ninety million, thirty-five thousand, one".