19425208703 has 2 divisors, whose sum is σ = 19425208704. Its totient is φ = 19425208702.

The previous prime is 19425208681. The next prime is 19425208723. The reversal of 19425208703 is 30780252491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19425208703 - 2¹² = 19425204607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19425208723) 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, 9712604351 + 9712604352.

It is an arithmetic number, because the mean of its divisors is an integer number (9712604352).

Almost surely, 2^19425208703 is an apocalyptic number.

19425208703 is a deficient number, since it is larger than the sum of its proper divisors (1).

19425208703 is an equidigital number, since it uses as much as digits as its factorization.

19425208703 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 41.

The spelling of 19425208703 in words is "nineteen billion, four hundred twenty-five million, two hundred eight thousand, seven hundred three".