19057673773 has 2 divisors, whose sum is σ = 19057673774. Its totient is φ = 19057673772.

The previous prime is 19057673671. The next prime is 19057673779. The reversal of 19057673773 is 37737675091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12835303849 + 6222369924 = 113293^2 + 78882^2 .

It is a cyclic number.

It is not a de Polignac number, because 19057673773 - 2¹³ = 19057665581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19057673779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528836886 + 9528836887.

It is an arithmetic number, because the mean of its divisors is an integer number (9528836887).

Almost surely, 2^19057673773 is an apocalyptic number.

It is an amenable number.

19057673773 is a deficient number, since it is larger than the sum of its proper divisors (1).

19057673773 is an equidigital number, since it uses as much as digits as its factorization.

19057673773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5834430, while the sum is 55.

The spelling of 19057673773 in words is "nineteen billion, fifty-seven million, six hundred seventy-three thousand, seven hundred seventy-three".