19050057249 has 16 divisors (see below), whose sum is σ = 25957013760. Its totient is φ = 12421913600.

The previous prime is 19050057199. The next prime is 19050057259. The reversal of 19050057249 is 94275005091.

It is a cyclic number.

It is not a de Polignac number, because 19050057249 - 2²⁰ = 19049008673 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19050057249.

It is not an unprimeable number, because it can be changed into a prime (19050057259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183547 + ... + 267935.

It is an arithmetic number, because the mean of its divisors is an integer number (1622313360).

Almost surely, 2^19050057249 is an apocalyptic number.

It is an amenable number.

19050057249 is a deficient number, since it is larger than the sum of its proper divisors (6906956511).

19050057249 is a wasteful number, since it uses less digits than its factorization.

19050057249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86040.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 19050057249 in words is "nineteen billion, fifty million, fifty-seven thousand, two hundred forty-nine".