19870330141 has 2 divisors, whose sum is σ = 19870330142. Its totient is φ = 19870330140.

The previous prime is 19870330063. The next prime is 19870330147. The reversal of 19870330141 is 14103307891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18234451225 + 1635878916 = 135035^2 + 40446^2 .

It is an emirp because it is prime and its reverse (14103307891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19870330141 - 2²⁵ = 19836775709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19870330141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19870330147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9935165070 + 9935165071.

It is an arithmetic number, because the mean of its divisors is an integer number (9935165071).

Almost surely, 2^19870330141 is an apocalyptic number.

It is an amenable number.

19870330141 is a deficient number, since it is larger than the sum of its proper divisors (1).

19870330141 is an equidigital number, since it uses as much as digits as its factorization.

19870330141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 19870330141 in words is "nineteen billion, eight hundred seventy million, three hundred thirty thousand, one hundred forty-one".