19429211407 has 2 divisors, whose sum is σ = 19429211408. Its totient is φ = 19429211406.

The previous prime is 19429211359. The next prime is 19429211437. The reversal of 19429211407 is 70411292491.

It is a strong prime.

It is an emirp because it is prime and its reverse (70411292491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19429211407 - 2⁷ = 19429211279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19429211407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19429211437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9714605703 + 9714605704.

It is an arithmetic number, because the mean of its divisors is an integer number (9714605704).

Almost surely, 2^19429211407 is an apocalyptic number.

19429211407 is a deficient number, since it is larger than the sum of its proper divisors (1).

19429211407 is an equidigital number, since it uses as much as digits as its factorization.

19429211407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 19429211407 in words is "nineteen billion, four hundred twenty-nine million, two hundred eleven thousand, four hundred seven".