19098034049 has 4 divisors (see below), whose sum is σ = 19112427264. Its totient is φ = 19083640836.

The previous prime is 19098034031. The next prime is 19098034057. The reversal of 19098034049 is 94043089091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94043089091 = 7 ⋅13434727013.

It is a cyclic number.

It is not a de Polignac number, because 19098034049 - 2²⁰ = 19096985473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19098033994 and 19098034012.

It is not an unprimeable number, because it can be changed into a prime (19098034009) 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, 7194617 + ... + 7197270.

It is an arithmetic number, because the mean of its divisors is an integer number (4778106816).

Almost surely, 2^19098034049 is an apocalyptic number.

It is an amenable number.

19098034049 is a deficient number, since it is larger than the sum of its proper divisors (14393215).

19098034049 is a wasteful number, since it uses less digits than its factorization.

19098034049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14393214.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 19098034049 in words is "nineteen billion, ninety-eight million, thirty-four thousand, forty-nine".