19425204607 has 2 divisors, whose sum is σ = 19425204608. Its totient is φ = 19425204606.

The previous prime is 19425204551. The next prime is 19425204611. The reversal of 19425204607 is 70640252491.

It is a strong prime.

It is an emirp because it is prime and its reverse (70640252491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19425204607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19425204607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19425204637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9712602303 + 9712602304.

It is an arithmetic number, because the mean of its divisors is an integer number (9712602304).

Almost surely, 2^19425204607 is an apocalyptic number.

19425204607 is a deficient number, since it is larger than the sum of its proper divisors (1).

19425204607 is an equidigital number, since it uses as much as digits as its factorization.

19425204607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 19425204607 in words is "nineteen billion, four hundred twenty-five million, two hundred four thousand, six hundred seven".