19059206049 has 24 divisors (see below), whose sum is σ = 30448948712. Its totient is φ = 11411746560.

The previous prime is 19059206027. The next prime is 19059206051. The reversal of 19059206049 is 94060295091.

19059206049 is a `hidden beast` number, since 19 + 0 + 5 + 9 + 20 + 604 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5749430625 + 13309775424 = 75825^2 + 115368^2 .

It is not a de Polignac number, because 19059206049 - 2⁵ = 19059206017 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19059205995 and 19059206013.

It is not an unprimeable number, because it can be changed into a prime (19059206099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2197012 + ... + 2205669.

Almost surely, 2^19059206049 is an apocalyptic number.

It is an amenable number.

19059206049 is a deficient number, since it is larger than the sum of its proper divisors (11389742663).

19059206049 is a wasteful number, since it uses less digits than its factorization.

19059206049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402737 (or 4402734 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 19059206049 in words is "nineteen billion, fifty-nine million, two hundred six thousand, forty-nine".