19724413003 has 2 divisors, whose sum is σ = 19724413004. Its totient is φ = 19724413002.

The previous prime is 19724412973. The next prime is 19724413021. The reversal of 19724413003 is 30031442791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19724413003 - 2⁵ = 19724412971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19724413003.

It is not a weakly prime, because it can be changed into another prime (19724423003) 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, 9862206501 + 9862206502.

It is an arithmetic number, because the mean of its divisors is an integer number (9862206502).

Almost surely, 2^19724413003 is an apocalyptic number.

19724413003 is a deficient number, since it is larger than the sum of its proper divisors (1).

19724413003 is an equidigital number, since it uses as much as digits as its factorization.

19724413003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 19724413003 its reverse (30031442791), we get a palindrome (49755855794).

The spelling of 19724413003 in words is "nineteen billion, seven hundred twenty-four million, four hundred thirteen thousand, three".