19141745737 has 2 divisors, whose sum is σ = 19141745738. Its totient is φ = 19141745736.

The previous prime is 19141745729. The next prime is 19141745747. The reversal of 19141745737 is 73754714191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18317998336 + 823747401 = 135344^2 + 28701^2 .

It is an emirp because it is prime and its reverse (73754714191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19141745737 - 2³ = 19141745729 is a prime.

It is not a weakly prime, because it can be changed into another prime (19141745747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9570872868 + 9570872869.

It is an arithmetic number, because the mean of its divisors is an integer number (9570872869).

Almost surely, 2^19141745737 is an apocalyptic number.

It is an amenable number.

19141745737 is a deficient number, since it is larger than the sum of its proper divisors (1).

19141745737 is an equidigital number, since it uses as much as digits as its factorization.

19141745737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 49.

The spelling of 19141745737 in words is "nineteen billion, one hundred forty-one million, seven hundred forty-five thousand, seven hundred thirty-seven".