19364058247 has 2 divisors, whose sum is σ = 19364058248. Its totient is φ = 19364058246.

The previous prime is 19364058193. The next prime is 19364058253. The reversal of 19364058247 is 74285046391.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19364058247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19364058247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19364058277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9682029123 + 9682029124.

It is an arithmetic number, because the mean of its divisors is an integer number (9682029124).

It is a 1-persistent number, because it is pandigital, but 2⋅19364058247 = 38728116494 is not.

Almost surely, 2^19364058247 is an apocalyptic number.

19364058247 is a deficient number, since it is larger than the sum of its proper divisors (1).

19364058247 is an equidigital number, since it uses as much as digits as its factorization.

19364058247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 19364058247 in words is "nineteen billion, three hundred sixty-four million, fifty-eight thousand, two hundred forty-seven".