19992615641041 has 2 divisors, whose sum is σ = 19992615641042. Its totient is φ = 19992615641040.

The previous prime is 19992615641023. The next prime is 19992615641059. The reversal of 19992615641041 is 14014651629991.

It is a balanced prime because it is at equal distance from previous prime (19992615641023) and next prime (19992615641059).

It can be written as a sum of positive squares in only one way, i.e., 19517805066816 + 474810574225 = 4417896^2 + 689065^2 .

It is an emirp because it is prime and its reverse (14014651629991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19992615641041 - 2⁷ = 19992615640913 is a prime.

It is not a weakly prime, because it can be changed into another prime (19992615641021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9996307820520 + 9996307820521.

It is an arithmetic number, because the mean of its divisors is an integer number (9996307820521).

Almost surely, 2^{19992615641041} is an apocalyptic number.

It is an amenable number.

19992615641041 is a deficient number, since it is larger than the sum of its proper divisors (1).

19992615641041 is an equidigital number, since it uses as much as digits as its factorization.

19992615641041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 58.

The spelling of 19992615641041 in words is "nineteen trillion, nine hundred ninety-two billion, six hundred fifteen million, six hundred forty-one thousand, forty-one".