19834537753 has 2 divisors, whose sum is σ = 19834537754. Its totient is φ = 19834537752.

The previous prime is 19834537739. The next prime is 19834537757. The reversal of 19834537753 is 35773543891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19144319769 + 690217984 = 138363^2 + 26272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19834537753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19834537694 and 19834537703.

It is not a weakly prime, because it can be changed into another prime (19834537757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9917268876 + 9917268877.

It is an arithmetic number, because the mean of its divisors is an integer number (9917268877).

Almost surely, 2^19834537753 is an apocalyptic number.

It is an amenable number.

19834537753 is a deficient number, since it is larger than the sum of its proper divisors (1).

19834537753 is an equidigital number, since it uses as much as digits as its factorization.

19834537753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 55.

The spelling of 19834537753 in words is "nineteen billion, eight hundred thirty-four million, five hundred thirty-seven thousand, seven hundred fifty-three".