19304304011 has 4 divisors (see below), whose sum is σ = 19333867152. Its totient is φ = 19274740872.

The previous prime is 19304304007. The next prime is 19304304101. The reversal of 19304304011 is 11040340391.

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

It is a cyclic number.

It is not a de Polignac number, because 19304304011 - 2² = 19304304007 is a prime.

It is a super-2 number, since 2×19304304011² (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 (19304304511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14780591 + ... + 14781896.

It is an arithmetic number, because the mean of its divisors is an integer number (4833466788).

Almost surely, 2^19304304011 is an apocalyptic number.

19304304011 is a deficient number, since it is larger than the sum of its proper divisors (29563141).

19304304011 is an equidigital number, since it uses as much as digits as its factorization.

19304304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29563140.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 19304304011 in words is "nineteen billion, three hundred four million, three hundred four thousand, eleven".