19050530185457 has 2 divisors, whose sum is σ = 19050530185458. Its totient is φ = 19050530185456.

The previous prime is 19050530185451. The next prime is 19050530185469. The reversal of 19050530185457 is 75458103505091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12532562898496 + 6517967286961 = 3540136^2 + 2553031^2 .

It is a cyclic number.

It is not a de Polignac number, because 19050530185457 - 2¹⁶ = 19050530119921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19050530185399 and 19050530185408.

It is not a weakly prime, because it can be changed into another prime (19050530185451) 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, 9525265092728 + 9525265092729.

It is an arithmetic number, because the mean of its divisors is an integer number (9525265092729).

Almost surely, 2^{19050530185457} is an apocalyptic number.

It is an amenable number.

19050530185457 is a deficient number, since it is larger than the sum of its proper divisors (1).

19050530185457 is an equidigital number, since it uses as much as digits as its factorization.

19050530185457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 53.

The spelling of 19050530185457 in words is "nineteen trillion, fifty billion, five hundred thirty million, one hundred eighty-five thousand, four hundred fifty-seven".