19604338007 has 2 divisors, whose sum is σ = 19604338008. Its totient is φ = 19604338006.

The previous prime is 19604337971. The next prime is 19604338049. The reversal of 19604338007 is 70083340691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19604338007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19604338097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9802169003 + 9802169004.

It is an arithmetic number, because the mean of its divisors is an integer number (9802169004).

Almost surely, 2^19604338007 is an apocalyptic number.

19604338007 is a deficient number, since it is larger than the sum of its proper divisors (1).

19604338007 is an equidigital number, since it uses as much as digits as its factorization.

19604338007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

Adding to 19604338007 its reverse (70083340691), we get a palindrome (89687678698).

The spelling of 19604338007 in words is "nineteen billion, six hundred four million, three hundred thirty-eight thousand, seven".