19745088984941 has 2 divisors, whose sum is σ = 19745088984942. Its totient is φ = 19745088984940.

The previous prime is 19745088984937. The next prime is 19745088984991. The reversal of 19745088984941 is 14948988054791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11904024948841 + 7841064036100 = 3450221^2 + 2800190^2 .

It is a cyclic number.

It is not a de Polignac number, because 19745088984941 - 2² = 19745088984937 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19745088984991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9872544492470 + 9872544492471.

It is an arithmetic number, because the mean of its divisors is an integer number (9872544492471).

Almost surely, 2^{19745088984941} is an apocalyptic number.

It is an amenable number.

19745088984941 is a deficient number, since it is larger than the sum of its proper divisors (1).

19745088984941 is an equidigital number, since it uses as much as digits as its factorization.

19745088984941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 836075520, while the sum is 77.

The spelling of 19745088984941 in words is "nineteen trillion, seven hundred forty-five billion, eighty-eight million, nine hundred eighty-four thousand, nine hundred forty-one".