19242039680653 has 2 divisors, whose sum is σ = 19242039680654. Its totient is φ = 19242039680652.

The previous prime is 19242039680627. The next prime is 19242039680693. The reversal of 19242039680653 is 35608693024291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14420383466724 + 4821656213929 = 3797418^2 + 2195827^2 .

It is a cyclic number.

It is not a de Polignac number, because 19242039680653 - 2²¹ = 19242037583501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19242039680693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9621019840326 + 9621019840327.

It is an arithmetic number, because the mean of its divisors is an integer number (9621019840327).

Almost surely, 2^{19242039680653} is an apocalyptic number.

It is an amenable number.

19242039680653 is a deficient number, since it is larger than the sum of its proper divisors (1).

19242039680653 is an equidigital number, since it uses as much as digits as its factorization.

19242039680653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 19242039680653 in words is "nineteen trillion, two hundred forty-two billion, thirty-nine million, six hundred eighty thousand, six hundred fifty-three".