19141317909641 has 2 divisors, whose sum is σ = 19141317909642. Its totient is φ = 19141317909640.

The previous prime is 19141317909617. The next prime is 19141317909653. The reversal of 19141317909641 is 14690971314191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10564450090000 + 8576867819641 = 3250300^2 + 2928629^2 .

It is an emirp because it is prime and its reverse (14690971314191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19141317909641 - 2¹⁰ = 19141317908617 is a prime.

It is not a weakly prime, because it can be changed into another prime (19141317909341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9570658954820 + 9570658954821.

It is an arithmetic number, because the mean of its divisors is an integer number (9570658954821).

Almost surely, 2^{19141317909641} is an apocalyptic number.

It is an amenable number.

19141317909641 is a deficient number, since it is larger than the sum of its proper divisors (1).

19141317909641 is an equidigital number, since it uses as much as digits as its factorization.

19141317909641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 19141317909641 in words is "nineteen trillion, one hundred forty-one billion, three hundred seventeen million, nine hundred nine thousand, six hundred forty-one".