100000000019 has 2 divisors, whose sum is σ = 100000000020. Its totient is φ = 100000000018.

The previous prime is 100000000003. The next prime is 100000000057. The reversal of 100000000019 is 910000000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100000000019 - 2⁴ = 100000000003 is a prime.

It is a super-2 number, since 2×100000000019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99999999928 and 100000000009.

It is not a weakly prime, because it can be changed into another prime (100000000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000000009 + 50000000010.

It is an arithmetic number, because the mean of its divisors is an integer number (50000000010).

Almost surely, 2^100000000019 is an apocalyptic number.

100000000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000000019 is an equidigital number, since it uses as much as digits as its factorization.

100000000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 11.

It can be divided in two parts, 10000000001 and 9, that multiplied together give a palindrome (90000000009).

The spelling of 100000000019 in words is "one hundred billion, nineteen", and thus it is an aban number.