19497933229 has 2 divisors, whose sum is σ = 19497933230. Its totient is φ = 19497933228.

The previous prime is 19497933163. The next prime is 19497933251. The reversal of 19497933229 is 92233979491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19497933225 + 4 = 139635^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 19497933229 - 2¹⁹ = 19497408941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19497933529) 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, 9748966614 + 9748966615.

It is an arithmetic number, because the mean of its divisors is an integer number (9748966615).

Almost surely, 2^19497933229 is an apocalyptic number.

It is an amenable number.

19497933229 is a deficient number, since it is larger than the sum of its proper divisors (1).

19497933229 is an equidigital number, since it uses as much as digits as its factorization.

19497933229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 58.

The spelling of 19497933229 in words is "nineteen billion, four hundred ninety-seven million, nine hundred thirty-three thousand, two hundred twenty-nine".