19472824361 has 2 divisors, whose sum is σ = 19472824362. Its totient is φ = 19472824360.

The previous prime is 19472824339. The next prime is 19472824373. The reversal of 19472824361 is 16342827491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16713318400 + 2759505961 = 129280^2 + 52531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19472824361 is a prime.

It is not a weakly prime, because it can be changed into another prime (19472824321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9736412180 + 9736412181.

It is an arithmetic number, because the mean of its divisors is an integer number (9736412181).

Almost surely, 2^19472824361 is an apocalyptic number.

It is an amenable number.

19472824361 is a deficient number, since it is larger than the sum of its proper divisors (1).

19472824361 is an equidigital number, since it uses as much as digits as its factorization.

19472824361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 19472824361 in words is "nineteen billion, four hundred seventy-two million, eight hundred twenty-four thousand, three hundred sixty-one".