19044737417 has 4 divisors (see below), whose sum is σ = 19045991316. Its totient is φ = 19043483520.

The previous prime is 19044737363. The next prime is 19044737447. The reversal of 19044737417 is 71473744091.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17187472201 + 1857265216 = 131101^2 + 43096^2 .

It is a cyclic number.

It is not a de Polignac number, because 19044737417 - 2¹⁸ = 19044475273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19044737447) 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, 603884 + ... + 634637.

It is an arithmetic number, because the mean of its divisors is an integer number (4761497829).

Almost surely, 2^19044737417 is an apocalyptic number.

It is an amenable number.

19044737417 is a deficient number, since it is larger than the sum of its proper divisors (1253899).

19044737417 is a wasteful number, since it uses less digits than its factorization.

19044737417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253898.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 19044737417 in words is "nineteen billion, forty-four million, seven hundred thirty-seven thousand, four hundred seventeen".