19675608229 has 2 divisors, whose sum is σ = 19675608230. Its totient is φ = 19675608228.

The previous prime is 19675608187. The next prime is 19675608263. The reversal of 19675608229 is 92280657691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18556705729 + 1118902500 = 136223^2 + 33450^2 .

It is a cyclic number.

It is not a de Polignac number, because 19675608229 - 2¹⁵ = 19675575461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19675608229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19675606229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9837804114 + 9837804115.

It is an arithmetic number, because the mean of its divisors is an integer number (9837804115).

Almost surely, 2^19675608229 is an apocalyptic number.

It is an amenable number.

19675608229 is a deficient number, since it is larger than the sum of its proper divisors (1).

19675608229 is an equidigital number, since it uses as much as digits as its factorization.

19675608229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 19675608229 in words is "nineteen billion, six hundred seventy-five million, six hundred eight thousand, two hundred twenty-nine".