19057873061 has 2 divisors, whose sum is σ = 19057873062. Its totient is φ = 19057873060.

The previous prime is 19057873033. The next prime is 19057873099. The reversal of 19057873061 is 16037875091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17899764100 + 1158108961 = 133790^2 + 34031^2 .

It is a cyclic number.

It is not a de Polignac number, because 19057873061 - 2⁶ = 19057872997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19057872997 and 19057873015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19057873561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528936530 + 9528936531.

It is an arithmetic number, because the mean of its divisors is an integer number (9528936531).

Almost surely, 2^19057873061 is an apocalyptic number.

It is an amenable number.

19057873061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19057873061 is an equidigital number, since it uses as much as digits as its factorization.

19057873061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 19057873061 in words is "nineteen billion, fifty-seven million, eight hundred seventy-three thousand, sixty-one".