19184848157 has 2 divisors, whose sum is σ = 19184848158. Its totient is φ = 19184848156.

The previous prime is 19184848097. The next prime is 19184848187. The reversal of 19184848157 is 75184848191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15601508836 + 3583339321 = 124906^2 + 59861^2 .

It is a cyclic number.

It is not a de Polignac number, because 19184848157 - 2¹² = 19184844061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19184848187) 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 as a sum of consecutive naturals, namely, 9592424078 + 9592424079.

It is an arithmetic number, because the mean of its divisors is an integer number (9592424079).

Almost surely, 2^19184848157 is an apocalyptic number.

It is an amenable number.

19184848157 is a deficient number, since it is larger than the sum of its proper divisors (1).

19184848157 is an equidigital number, since it uses as much as digits as its factorization.

19184848157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 56.

The spelling of 19184848157 in words is "nineteen billion, one hundred eighty-four million, eight hundred forty-eight thousand, one hundred fifty-seven".