8190000001 has 4 divisors (see below), whose sum is σ = 8190359892. Its totient is φ = 8189640112.

The previous prime is 8189999963. The next prime is 8190000041. The reversal of 8190000001 is 1000000918.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3578910976 + 4611089025 = 59824^2 + 67905^2 .

It is a cyclic number.

It is not a de Polignac number, because 8190000001 - 2¹¹ = 8189997953 is a prime.

It is a super-2 number, since 2×8190000001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8190000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143326 + ... + 192151.

It is an arithmetic number, because the mean of its divisors is an integer number (2047589973).

Almost surely, 2^8190000001 is an apocalyptic number.

It is an amenable number.

8190000001 is a deficient number, since it is larger than the sum of its proper divisors (359891).

8190000001 is a wasteful number, since it uses less digits than its factorization.

8190000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359890.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 8190000001 is about 90498.6187795151. The cubic root of 8190000001 is about 2015.7096143414.

Adding to 8190000001 its reverse (1000000918), we get a palindrome (9190000919).

The spelling of 8190000001 in words is "eight billion, one hundred ninety million, one", and thus it is an aban number.