1889225126073 has 18 divisors (see below), whose sum is σ = 2889429136542. Its totient is φ = 1185385489920.

The previous prime is 1889225126059. The next prime is 1889225126101. The reversal of 1889225126073 is 3706215229881.

1889225126073 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 2 + 25 + 1 + 2 + 607 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 583592100624 + 1305633025449 = 763932^2 + 1142643^2 .

It is not a de Polignac number, because 1889225126073 - 2¹³ = 1889225117881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1889225106073) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16945953 + ... + 17057073.

It is an arithmetic number, because the mean of its divisors is an integer number (160523840919).

Almost surely, 2^{1889225126073} is an apocalyptic number.

It is an amenable number.

1889225126073 is a deficient number, since it is larger than the sum of its proper divisors (1000204010469).

1889225126073 is an frugal number, since it uses more digits than its factorization.

1889225126073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222265 (or 111141 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 1889225126073 in words is "one trillion, eight hundred eighty-nine billion, two hundred twenty-five million, one hundred twenty-six thousand, seventy-three".