19000010001 has 16 divisors (see below), whose sum is σ = 29067752448. Its totient is φ = 10813890000.

The previous prime is 19000009981. The next prime is 19000010017. The reversal of 19000010001 is 10001000091.

It is not a de Polignac number, because 19000010001 - 2⁵ = 19000009969 is a prime.

It is a super-2 number, since 2×19000010001² (a number of 21 digits) contains 22 as substring.

19000010001 is a modest number, since divided by 10001 gives 190 as remainder.

It is not an unprimeable number, because it can be changed into a prime (19000010041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797045 + ... + 1807586.

It is an arithmetic number, because the mean of its divisors is an integer number (1816734528).

Almost surely, 2^19000010001 is an apocalyptic number.

It is an amenable number.

19000010001 is a deficient number, since it is larger than the sum of its proper divisors (10067742447).

19000010001 is a wasteful number, since it uses less digits than its factorization.

19000010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604892.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 19000010001 its reverse (10001000091), we get a palindrome (29001010092).

The spelling of 19000010001 in words is "nineteen billion, ten thousand, one".